Snoring may be a nuisance, but for some people it can be a sign of obstructive sleep apnea, a common condition that disrupts breathing during sleep and can have serious health consequences if left untreated.

In this episode of Health Matters, host Courtney Allison speaks with Dr. Ana Krieger, director of the Center for Sleep Medicine at NewYork-Presbyterian and Weill Cornell Medicine, about what causes snoring, how sleep apnea develops, and why so many people unknowingly live with the condition.

Dr. Krieger explains how sleep affects virtually every system in the body, from the brain and cardiovascular system to memory and cognitive function. She discusses common symptoms of sleep apnea, risk factors such as age, weight changes, alcohol use, and menopause, and the importance of testing when symptoms arise.

The conversation also explores treatment options ranging from CPAP therapy and dental devices to newer treatment approaches, while offering practical advice for improving sleep hygiene and building habits that support better sleep and long-term health.

Chapters

00:00 – Snoring, Sleep Apnea, and What Causes Them

What happens in the airway during sleep, why people snore, and how sleep apnea develops

04:00 – Symptoms and Warning Signs of Sleep Apnea

Common symptoms, hidden signs, risk factors, and why many people don't realize they have sleep apnea

06:30 – How Sleep Affects the Brain and Body

The role of sleep in memory, cognitive function, cardiovascular health, and overall well-being

10:45 – Sleep Apnea Treatments and Better Sleep Habits

CPAP therapy, dental devices, newer treatment options, and practical tips for improving sleep hygiene

Key Topics Covered

Snoring

Sleep apnea

Obstructive sleep apnea

Sleep disorders

Sleep studies

Sleep testing

Sleep health

Cognitive health

Memory and sleep

Brain health

Cardiovascular health

Atrial fibrillation

Sleep deprivation

Sleep quality

CPAP therapy

Mandibular advancement devices

Sleep apnea treatments

Sleep hygiene

Insomnia and stress

Menopause and sleep apnea

Alcohol and sleep

Healthy sleep habits

Breathing during sleep

Sleep medicine

Key Takeaway

Snoring is often harmless, but it can also be a sign of sleep apnea, a common condition that affects breathing, sleep quality, and overall health. Recognizing symptoms early, seeking evaluation when needed, and prioritizing healthy sleep habits can help improve sleep, protect brain and heart health, and enhance quality of life.

Doctor Bio

Dr. Ana Krieger is director of the Center for Sleep Medicine at NewYork-Presbyterian/Weill Cornell Medical Center and Weill Cornell Medicine. She is a professor of clinical medicine in the Departments of Medicine, Neurology and Genetic Medicine and chief of the Sleep Neurology Division in the Department of Neurology at Weill Cornell Medicine. She is a board certified specialist in Sleep Medicine by the American Academy of Sleep Medicine.

Dr. Krieger also holds board certifications in internal medicine and pulmonary medicine and has a master’s degree in global public health with emphasis in healthcare policy and management. 

Over the past 25 years, Dr. Krieger has been actively involved in providing comprehensive patient care in sleep medicine, overseeing the Center for Sleep Medicine, a group practice that evaluates over 1,000 patients each month in New York City.

She is also actively involved in medical and subspecialty education and research. As a clinician scientist, Dr. Krieger is the principal investigator in collaborative multidisciplinary research projects in sleep medicine and has published extensively in the field.

Her current research is sponsored by the National Institutes of Health (NIH) and the National Science Foundation. She serves as Chair of the Mentored to Independence (MTI) K99/R00 grant review committee at the National Heart Lung and Blood Institute (NHLBI) at the NIH. 

Dr. Krieger is an active lecturer, regularly contributing to media efforts aiming at improving sleep health in the population. She is a Robert Wood Johnson Scholar, and Fellow of the New York Academy of Medicine, American College of Chest Physicians and American Academy of Sleep Medicine.

Running is one of the most accessible forms of exercise, offering benefits that extend far beyond cardiovascular fitness. In this episode of Health Matters, host Courtney Allison speaks with Dr. Morgan Busko, a sports medicine physician at NewYork-Presbyterian and Columbia and a competitive triathlete, about the physical and mental rewards of running.

Dr. Busko explains why strength training is a critical foundation for runners and discusses how exercises that target the core and gluteal muscles can improve stability and help prevent injuries. She also breaks down the differences between dynamic warmups and static stretching, explaining how proper preparation can support healthier training.

The conversation covers practical strategies for runners at every level, from walk-run programs for beginners to training plans for race day. Dr. Busko shares advice on gradually increasing mileage, building endurance safely, and avoiding common training mistakes that can lead to injury.

Finally, she discusses the important roles sleep, nutrition, hydration, and recovery play in athletic performance, debunks the myth that running causes arthritis, and offers encouragement for anyone looking to start or return to running.

Chapters

00:00 – Why Running Is Good for Body and Mind

The physical and mental health benefits of running and why runners keep coming back

03:00 – Getting Started and Building Strength

How to return to running after a break, why strength training matters, and exercises that help prevent injuries

06:20 – Training Smarter and Avoiding Injury

Dynamic warmups, walk-run programs, race preparation, and common training mistakes

10:00 – Recovery, Fueling, and Running for the Long Term

Sleep, nutrition, hydration, injury warning signs, and the myth that running causes arthritis – and tips to enjoy the sport

Key Topics Covered

Key Takeaway

Running can improve cardiovascular health, strengthen the body, reduce stress, and support overall well-being, but success starts with a thoughtful approach. Building strength, progressing gradually, prioritizing recovery, and listening to your body can help prevent injuries and make running a sustainable, rewarding part of a healthy lifestyle.

Doctor Bio

Morgan Busko, MD is a sports medicine physician at NewYork-Presbyterian and Columbia specializing in the non-operative treatment of chronic and acute musculoskeletal injuries and conditions in adult and pediatric patients. She has a particular interest in endurance athletes, running and overuse injuries, and injury prevention.

After completing a residency in Internal Medicine at New York University, where she also received her Medical Degree, Dr. Busko completed a Sports Medicine Fellowship at Wake Forest University. She received her B.S. in Biological Anthropology and Anatomy at Duke University, where she competed in Cross-Country and Track & Field.

Dr. Busko is an active endurance athlete who has competed in the Hawaii Ironman World Championship five times, finishing amongst the top triathletes in the world. She finds great reward in helping athletes return to sport safely while facilitating an athlete's ability to reach their optimal athletic performance. She hopes that her passion for exercise as medicine will be contagious to her patients and everyone around her.

Addiction affects millions of people, yet stigma and misunderstanding often prevent people from seeking help. In this episode of Health Matters, host Courtney Allison speaks with Dr. Jonathan Avery, an addiction psychiatrist at NewYork-Presbyterian and Weill Cornell Medicine, about the realities of addiction and recovery.

Dr. Avery explains that addiction is more than a problem of willpower. Drawing on research and clinical experience, he discusses how genetics, mental health, trauma, social factors, and brain chemistry all play a role in the development of substance use disorders and behavioral addictions.

The conversation examines how addictive behaviors, from alcohol use and opioid dependence to gambling and social media use, affect the brain's reward system and why quitting can be so difficult. Dr. Avery also shares how newer treatments, including medications and emerging research on GLP-1 medications, are changing the landscape of addiction care.

Finally, Dr. Avery discusses the importance of reducing stigma, building supportive communities, and recognizing that recovery is possible. He offers practical advice for people who may be struggling themselves as well as guidance for supporting loved ones with compassion and understanding.

Chapters

Why addiction is more than a substance, the role of trauma and mental health, and what happens in the brain

How behavioral addictions affect the brain and why smartphones have changed the landscape

Available therapies, medications, emerging GLP-1 research, and why most people do get better

Why connection matters, how addiction overlaps with mental health, and ways to support loved ones

Key Topics Covered

Key Takeaway

Addiction is a complex health condition influenced by brain biology, mental health, life experiences, and environment, not simply a lack of willpower. While quitting can be challenging, effective treatments, supportive communities, and growing understanding of addiction are helping more people achieve lasting recovery. Reaching out for help is often the first and most important step.

Bio:

Dr. Avery graduated from the New York University School of Medicine and completed his psychiatry residency at New York-Presbyterian/Weill Cornell Medical Center. During residency, he was selected as a Group for the Advancement of Psychiatry Fellow, served as co-chief resident in his final year, and received several awards for his clinical and academic work. He then completed a fellowship in addiction psychiatry at the New York University School of Medicine before joining the faculty at Weill Cornell Medicine.

Dr. Avery has published widely in addiction psychiatry, with work spanning clinician attitudes toward patients with addiction, treatment approaches for substance use disorders, and the intersection of mental illness and addiction. He is the founder of the NewYork-Presbyterian and Weill Cornell Medicine Program for Substance Use and Stigma of Addiction, and his research on stigma has been supported by multiple national grants and awards.

He has served on the editorial board for the DSM-5 Clinical Cases book and is the editor and author of more than 10 books, including Co-occurring Mental Illness and Substance Use Disorders: A Guide to Diagnosis and Treatment and The Stigma of Addiction: An Essential Guide. His forthcoming book, Thriving with Addiction: A New Roadmap for Lasting Recovery and Health (Prometheus Books, 2026), explores how recovery can become a pathway to improved brain and physical health.

Dr. Avery is also the host of the Thriving with Addiction podcast, where he interviews leading researchers, clinicians, athletes and public figures about addiction, recovery and behavior change. He has received numerous awards for his clinical and academic work, including the American Board of Psychiatry and Neurology Faculty Innovation in Education Award and the Outstanding Faculty Member Award from the New York County Psychiatric Society.

Back and neck pain have become increasingly common in the digital age. Many of us spend hours each day sitting at desks, working on computers, or looking down at our phones, often without realizing the impact these habits can have on our spine.

In this episode of Health Matters, host Courtney Allison speaks with Dr. Joseph Lombardi, an orthopedic spine surgeon at Och Spine at NewYork-Presbyterian, about why posture matters and what happens when poor positioning places excess strain on the neck and back.

Dr. Lombardi explains the mechanics of the spine and how spinal discs function as shock absorbers between the vertebrae. He discusses the phenomenon known as "tech neck" or "text neck," describing how tilting the head forward dramatically increases stress on the cervical spine and may contribute to disc degeneration over time.

The conversation also covers practical ways to support spinal health. Dr. Lombardi shares tips for setting up an ergonomic workstation, explains why sitting and slouching increase pressure on the lower back, and discusses the importance of taking movement breaks throughout the day.

Finally, he highlights exercises that can strengthen the core and support better posture and outlines warning signs that may indicate a more serious spinal condition requiring medical attention.

Chapters

00:00 – Tech Neck and the Hidden Stress on Your Spine

How looking down at phones and computers increases strain on the neck and what happens to spinal discs over time

03:58 – Why Posture Matters for Long-Term Spine Health

The connection between poor posture, disc degeneration, sciatica, and age-related changes in the spine

06:30 – Ergonomics, Sitting, and Building Better Habits

Simple workstation adjustments, standing desks, movement breaks, and ways to reduce pressure on the spine

09:00 – Exercises, Prevention, and When to See a Doctor

Core-strengthening exercises, healthy movement habits, warning signs of serious spinal issues, and practical tips for lifelong spine health

Key Topics Covered

Key Takeaway

Good posture is about more than standing up straight. Everyday habits like looking down at a phone, slouching at a desk, and sitting for long periods can place significant stress on the spine and contribute to pain and disc degeneration over time. By improving workstation ergonomics, staying active, strengthening the core, and addressing symptoms early, people can take meaningful steps to protect their spine and support long-term musculoskeletal health.

Doctor Bio

Dr. Joseph Lombardi is an orthopedic spine surgeon specializing in the operative management of spinal disorders in adult and adolescent patients. His practice is focused on minimally invasive surgical treatments for both common and complex spinal conditions, including disc herniation, spinal stenosis, spondylolisthesis, and spinal deformity. Dr. Lombardi leverages the latest surgical technology – robotics, guided navigation, and advanced instrumentation – to provide patients with tailored surgical procedures, accelerated recovery times, and superior outcomes.

After receiving his undergraduate and medical degrees from The George Washington University in Washington, DC, Dr. Lombardi went on to complete his post-doctoral residency training in orthopedic surgery at NewYork-Presbyterian/Columbia University Irving Medical Center where he served as chief resident. Dr. Lombardi remained at Columbia and Och Spine at NewYork-Presbyterian for fellowship training in advanced adult and pediatric spine surgery.

In addition to his clinical practice, Dr. Lombardi is involved in training future surgeons as an assistant professor and vice chair of clinical research for Columbia University's Department of Orthopedic Surgery. As vice chair, Dr. Lombardi works closely with the orthopedic surgery research leadership team, as well as all faculty, residents and administration to further clinical research. His research interests focus on the application of new technologies to complex spinal conditions with the goal of improving patient outcomes. To date, Dr. Lombardi has published over 20 book chapters, authored over 100 peer-reviewed journal articles, and has received numerous academic awards, including: the Alpha Omega Alpha honors society, Julius S. Neviaser Award in Orthopedic Surgery, Harold M. Dick Award for Excellence in Orthopedic Surgery, and the Alexander Garcia Award for Excellence in Clinical Orthopedic Surgery. In his free time, Dr. Lombardi enjoys hiking, jogging, fishing and traveling.

Cancer has long been associated with aging, but in recent years, doctors have seen an alarming rise in colorectal cancer and other cancers among younger adults. In this episode of Health Matters, host Courtney Allison speaks with Dr. Dorna Jafari, chief of colorectal surgery at NewYork-Presbyterian Brooklyn Methodist Hospital, about what may be contributing to this growing public health concern.

Dr. Jafari explains that colorectal cancer is now the leading cause of cancer death in people under age 50 and discusses the "birth cohort effect" researchers have identified among people born after 1960. She explores several factors that may be influencing cancer risk, including changes in diet, increased consumption of ultra-processed foods, disruptions to the gut microbiome, antibiotic exposure, and the growing presence of microplastics in the environment.

The conversation also focuses on prevention. Dr. Jafari shares practical steps people can take to support a healthy microbiome and reduce cancer risk, including increasing fiber intake, staying physically active, limiting sugary beverages, and making realistic lifestyle changes over time.

Finally, she discusses the exciting advances changing the future of oncology. From targeted cancer therapies and immunotherapy to AI-assisted diagnosis and improved screening tools, Dr. Jafari explains why cancer outcomes continue to improve and why early detection remains one of the most powerful tools available—especially when it comes to colorectal cancer screening.

Chapters

00:00 – Why Are More Young People Getting Cancer?

03:15 – Diet, Microbiome, and Environmental Risks

07:20 – New Advances in Cancer Treatment

10:15 – Screening, Prevention, and Living Healthier

Key Topics Covered

Key Takeaway

While cancer is increasingly affecting younger adults, there are meaningful steps people can take to reduce their risk. Prioritizing screening, maintaining a healthy diet rich in fiber, limiting ultra-processed foods and sugary drinks, staying active, and paying attention to symptoms can make a difference. At the same time, advances in targeted therapies, immunotherapy, and AI-driven diagnostics are helping improve outcomes and offering new hope for the future of cancer care.

Doctor Bio

Dr. Mehraneh Dorna Jafari is chief of colorectal surgery at NewYork-Presbyterian Brooklyn Methodist Hospital and associate professor of surgery at Weill Cornell Medicine. She is the director of clinical research in the department of surgery at NewYork-Presbyterian/Weill Cornell Medical Center. She is board-certified in general surgery and colon and rectal surgery. Dr. Jafari specializes in the comprehensive care of colorectal cancer patients, patients with peritoneal surface disease as well as those patients with benign colorectal disease.

Dr Jafari works with a world-renowned group of multidisciplinary specialists to help promote a patient centered treatment plan for her patients, including radiation oncologists, medical oncologists, radiologists, pathologists, gastroenterologists, and interventional radiologists. Her goal is to provide precision medicine to patients that is safe and effective.

Dr. Jafari has expertise in minimal access techniques, including laparoscopic, and robotic surgery. In addition, she has special interests in sphincter preserving surgery (helping rectal cancer patients avoid a permanent ostomy), maintaining fertility in cancer patients, and improving quality of life and bowel function after rectal surgery.  Dr Jafari has been at forefront of research with regards to improving outcomes using enhanced recovery and narcotic sparing protocols.

Dr. Jafari is among a small number of surgeons who offers surgery for metastatic colon, appendiceal and peritoneal surface disease. She utilizes cytoreductive surgery with hyperthermic intraperitoneal chemotherapy (HIPEC), which involves heated chemotherapy applied directly within the abdominal cavity following removal of cancerous tumors.

Dr. Jafari's clinical research focuses on quality of life and oncological outcomes for colorectal cancer patients. Her main area of expertise is starting chemotherapy earlier in cancer treatment to allow patients to recover their quality of life sooner.

Dr. Jafari has written extensively and published in many major journals, including the Journal of the American Medical Association (JAMA), Annals of Surgery, and the Journal of the American College of Surgeons. She has led numerable courses teaching surgeons around the country how to perform minimal invasive surgery.

Dr. Jafari is actively involved in many national surgical and oncologic societies, including the American College of Surgeons, Society of Surgical Oncologists, American Society of Colon and Rectal Surgeons and Association of Women Surgeons.

Perimenopause is having a moment, but for many women, it can still feel confusing, unpredictable, and difficult to navigate. In this episode of Health Matters, host Courtney Allison speaks with Dr. Cassandra Simmons, chief of obstetrics and gynecology at NewYork-Presbyterian and Columbia, about what’s really happening during this transitional phase.

Dr. Simmons explains that perimenopause is driven by fluctuating levels of estrogen, progesterone, and testosterone, which can begin as early as a woman’s 30s and last for several years. These hormonal shifts can lead to a wide range of symptoms—from hot flashes and night sweats to brain fog, mood changes, joint pain, and sleep disruption.

The conversation focuses on vasomotor symptoms like night sweats and why they can significantly impact energy, sleep quality, and daily functioning. Dr. Simmons also discusses the emotional and cognitive effects of perimenopause, including the common feeling of “just not yourself.”

Finally, Dr. Simmons outlines treatment options in three categories: holistic approaches such as supplements and lifestyle changes, non-hormonal prescription therapies, and hormone replacement therapy. She emphasizes individualized care, the importance of understanding the whole patient, and how modern hormone therapy has evolved to be safer and more tailored than in the past.

Chapters

00:00 – What Is Perimenopause?

03:15 – Hormones and Symptoms Explained

07:45 – Why Night Sweats Disrupt Daily Life

12:00 – Treatment Options and Lifestyle Support

Key Topics Covered

Perimenopause definition

Takeaway message: Perimenopause can affect nearly every part of the body, but understanding what’s happening hormonally is the first step toward feeling better. With a combination of lifestyle changes, supportive therapies, and personalized care—including hormone treatment when appropriate—women can manage symptoms and maintain their health and well-being through this transition.

Doctor Bios

Dr. Cassandra Simmons is the chief of general obstetrics and gynecology at NewYork-Presbyterian/Columbia University Irving Medical Center. In this role, Dr. Simmons directs clinical operations for the division of General Ob/Gyn, with the goal to deliver the highest quality of care to patients. She also sees patients at NewYork-Presbyterian The One in Westchester.

Before joining the faculty at Columbia, Dr. Simmons practiced as an Ob/Gyn in many states across the country, including California, Georgia, New Jersey, and the New York Metropolitan Area. This diverse breadth of professional experience has given her an idea of what Ob/Gyn care could, and should, look like for patients. Informed by these experiences, Dr. Simmons emphasizes the importance of building trusting patient-provider relationships and improving processes that support continuity of care.

In her clinical and administrative roles, Dr. Simmons is passionate about addressing the myriad determinants of health that can shape outcomes for women and their families. Specifically, Dr. Simmons is focused on the accessibility of preventative care as a means for mitigating health disparities among vulnerable populations. Outside of her work, Dr. Simmons is a proud mother of three children.

Many people worry about memory loss and cognitive decline as they age. In this episode of Health Matters, host Courtney Allison speaks with Dr. Matthew Fink, neurologist-in-chief at NewYork-Presbyterian and Weill Cornell Medicine, about how lifestyle choices—especially diet—can help protect the brain.

Dr. Fink explains the MIND diet, a combination of the Mediterranean and DASH diets, which emphasizes whole foods like leafy greens, berries, fish, nuts, and olive oil while limiting salt, sugar, and ultra-processed foods. He breaks down how key nutrients such as B vitamins and antioxidants support brain metabolism, reduce inflammation, and may slow the aging process.

The conversation also highlights the brain’s high energy demands and why proper nutrition is essential for cognitive function. Dr. Fink shares research showing that healthy lifestyle interventions can significantly lower the risk of dementia and discusses the broader benefits of the MIND diet for heart health and stroke prevention.

Finally, Dr. Fink outlines additional habits that support brain health, including regular physical activity, quality sleep, and social connection, emphasizing that even small, gradual changes can lead to meaningful long-term benefits.

Chapters

00:00 – Why Brain Health Is in Your Control

03:00 – What Is the MIND Diet?

06:00 – Brain-Boosting Nutrients and Foods to Avoid

10:30 – Beyond Diet: Exercise, Sleep, and Daily Habits

Key Topics Covered

MIND diet overview

Mediterranean diet and DASH diet

Brain metabolism and energy use

B vitamins and brain health

Antioxidants and inflammation

Foods that support cognitive function

Foods to limit (salt, sugar, processed foods)

Dementia and Alzheimer’s prevention

Stroke and heart disease connection

Exercise and brain function

Sleep and cognitive health

Lifestyle changes for healthy aging

Takeaway Message

You have more control over your brain health than you might think. By focusing on whole, nutrient-rich foods, limiting processed options, staying active, and getting enough sleep, you can significantly reduce your risk of cognitive decline and support a healthier brain as you age.

Doctor Bios

Matthew E. Fink, MD is the Louis and Gertrude Feil Professor and chair of the Department of Neurology at Weill Cornell Medicine, and neurologist-in-chief at NewYork Presbyterian/Weill Cornell Medical Center.  In addition, he is chief of the Division of Stroke and Critical Care Neurology at NewYork-Presbyterian/Weill Cornell Medical Center, and vice chair of the medical board. Dr. Fink attended college at the University of Pennsylvania, medical school at the University of Pittsburgh, and served as resident and chief resident in internal medicine at Boston City Hospital. He came to New York and trained in neurology at the Neurological Institute of NewYork-Presbyterian/Columbia University Irving Medical Center, and served as chief resident under Dr. Lewis P. Rowland. Subsequently, he joined the faculty of Columbia University and became the founding director of the Neurology-Neurosurgery Intensive Care Unit at NewYork-Presbyterian/Columbia and was appointed associate professor of clinical neurology and neurosurgery while at Columbia. Dr. Fink was a founding member and chair of the critical care section of the American Academy of Neurology, and the research section for neurocritical care of the World Federation of Neurology. He is board-certified in internal medicine, neurology, critical care medicine, vascular neurology, and neurocritical care.  He has been elected as a Fellow of the American Neurological Association, the American Academy of Neurology, and the Stroke Council of the American Heart Association. Throughout his career, Dr. Fink has been involved in the education and training of students, residents and fellows in the field of stroke and critical care neurology, as well as an active participant in clinical research within this field. He is a leader in this new specialty, has lectured widely, and has published many research and clinical articles in the field of stroke and critical care. In addition, he currently serves as editor of the monthly publication, NEUROLOGY ALERT, and is a past-president of the New York State Neurological Society.

Tick bites and concerns about Lyme disease are increasing, especially during warmer months. In this episode of Health Matters, host Courtney Allison speaks with Dr. Laura Kirkman and Dr. Karen Acker of NewYork-Presbyterian, Weill Cornell Medicine, and NewYork-Presbyterian Komansky Children’s Hospital of Children’s Hospital of New York about what people should know about ticks and Lyme disease.

Dr. Kirkman explains the types of ticks found in the U.S., where they live, and how they attach to the body. She emphasizes that not every tick bite leads to Lyme disease—it depends on the tick species, whether it carries the bacteria, and how long it remains attached.

Dr. Acker explains how Lyme disease is transmitted and outlines the stages of infection, including early symptoms such as the characteristic bullseye rash, fever, and fatigue, as well as less common complications involving the nervous system, heart, or joints.

The conversation also covers how Lyme disease is diagnosed and treated, including when testing is necessary and when a preventive dose of antibiotics may be recommended after a tick bite.

Finally, the doctors share practical strategies to prevent tick bites—from tick checks and proper clothing to repellents and safe tick removal—and discuss emerging concerns like lone star ticks and alpha-gal syndrome. Their key message: with awareness and simple precautions, you can significantly reduce your risk.

Chapters

00:00 – Understanding Ticks and Their Risks

04:30 – What Is Lyme Disease?

08:45 – Diagnosis, Treatment, and Tick Removal

12:00 – Preventing Tick Bites and Emerging Concerns

Key Topics Covered

Tick species in the U.S.

Takeaway Message

A tick bite does not automatically mean Lyme disease. By checking for ticks regularly, removing them promptly, and using simple prevention strategies, you can significantly reduce your risk. When caught early, Lyme disease is highly treatable—making awareness and prevention your best tools for staying safe outdoors.

Doctor Bios

Dr. Laura Kirkman is a physician-scientist whose research focuses on the molecular pathogenesis of infection with bloodborne parasitic diseases: malaria and babesiosis. Dr. Kirkman received her M.D. from the Albert Einstein College of Medicine with distinction in research where she benefitted from support from a Howard Hughes Medical Student research award. She completed her clinical training in internal medicine at Yale-New Haven Hospital and her infectious disease fellowship at the NewYork-Presbyterian/Weill Cornell Medical Center. She is an associate professor of medicine and microbiology and immunology at Weill Cornell Medicine.

Dr. Karen Acker is a pediatric hospital epidemiologist at NewYork-Presbyterian Komansky Children's Hospital of Children’s Hospital of New York, and an assistant professor in clinical pediatrics at Weill Cornell Medicine. She received her medical degree from SUNY Downstate Medical Center followed by a residency in pediatrics at NewYork-Presbyterian/Weill Cornell Medical Center. After completing her fellowship in pediatric infectious diseases at NewYork-Presbyterian/Columbia University Irving Medical Center in 2018, she joined the pediatric infectious disease division at Weill Cornell Medicine, and has served as a hospital epidemiologist since 2019. Her clinical and research interests include the epidemiology of infectious outbreaks and healthcare-associated infections, diagnostic stewardship, Staphylococcus aureus infections, respiratory viral infections in children, and factors influencing vaccine uptake in children. Dr. Acker is board-certified in pediatrics and board-certified for pediatric infectious diseases.

Kindness may seem simple—but it has powerful effects on our health, relationships, and longevity.

In this episode of Health Matters, host Courtney Allison speaks with Dr. Warren Ng, a psychiatrist at NewYork-Presbyterian’s Center for Youth Mental Health, about what it really means to be kind and why it matters more than ever. Dr. Ng explains that kindness begins with intention and connection, often leading to small but meaningful actions that can ripple outward to others.

The conversation explores the biology of kindness, including how it increases oxytocin—often called the “feel-good” hormone—while boosting serotonin and reducing stress hormones like cortisol. These changes can support heart health, lower anxiety, and even strengthen the immune system.

Dr. Ng also discusses research linking kindness and social connection to longer life expectancy and better cognitive health, including studies on volunteering and brain function in older adults. He introduces the concept of “kindfulness,” or being intentional about kindness, and offers practical tips on how to incorporate it into daily life—whether through helping others, expressing gratitude, or practicing self-compassion.

Chapters

00:00 – What Is Kindness and Why Does It Matter?

04:00 – The Science of Kindness in the Body

08:00 – Kindness, Longevity, and Brain Health

11:30 – Practicing “Kindfulness” Every Day

Key Topics Covered

What kindness is and how it shows up in daily life

Takeaway Message

Kindness isn’t just a social gesture; it’s a powerful driver of health. Even small, intentional acts can lower stress, strengthen connection, and improve both mental and physical well-being. In a world where many feel isolated, kindness offers a simple, meaningful way to care for ourselves and each other – and to build healthier, more connected lives.

Doctor Bio

Warren Y.K. Ng, MD, MPH is the community health director at the Center for Youth Mental Health at NewYork-Presbyterian. He is a professor of psychiatry at Columbia University, medical director for outpatient behavioral health at NewYork-Presbyterian/Columbia University Irving Medical Center; and director of clinical services, Division of Child & Adolescent Psychiatry at CUIMC; behavioral health service line clinical innovation officer, NewYork-Presbyterian Hospital. 

Dr. Ng oversees the comprehensive spectrum of clinical programs in child, adolescent, and adult outpatient and community behavioral health at NewYork-Presbyterian's Division of Community and Population Health. He also oversees the psychiatric services at the NewYork-Presbyterian Morgan Stanley Children's Hospital at Children’s Hospital of New York within the outpatient, emergency department, and inpatient services. He is the immediate past president of the American Academy of Child and Adolescent (AACAP) and serves on the NYS Governor's Behavioral Health Services Advisory Council. At the American Psychiatric Association (APA), he served in the Council on Children, Adolescents, and their Families. He is an Aspen Institute Health Innovator Fellow and a member of the Aspen Global Learning Network. He has been the recipient of the Columbia University Irving Medical Center's Martha Hooven Award for Excellence in Community Service.

Warren Y.K. Ng, MD, MPH - Center for Youth Mental Health | NewYork-Presbyterian

Joints play a critical role in how we move, stay active, and maintain independence—but joint pain and arthritis can make everyday activities challenging.

In this episode of Health Matters, host Courtney Allison speaks with Dr. Nana Sarpong, an orthopedic surgeon at NewYork-Presbyterian and Columbia, about how joints function and what happens when cartilage wears down. Dr. Sarpong explains the difference between mechanical osteoarthritis and inflammatory forms of arthritis like rheumatoid arthritis, including how each impacts joint movement, pain, and stiffness.

The conversation covers conservative treatment strategies such as anti-inflammatory medications, physical therapy, bracing, and injections—along with when surgery becomes the right option. Dr. Sarpong also explains how modern joint replacement surgery works, how long implants now last, and what recovery looks like.

Dr. Sarpong debunks common myths, including whether cracking your knuckles is harmful, if weather really affects joint pain, and the idea that people with arthritis should avoid movement. His key message: motion really is lotion—and staying active is essential for protecting your joints and preserving long-term mobility.

Chapters

00:00 – What Are Joints and How Do They Work?

04:30 – Arthritis and Joint Conditions

08:45 – Treating Joint Pain and Arthritis

12:00 – Protecting Your Joints and Busting Myths

Key Topics Covered

Takeaway Message

Joint pain doesn’t mean you should stop moving. Staying active, strengthening the muscles around your joints, and managing weight can help protect joint function and slow arthritis progression. When conservative treatments stop working, modern joint replacement surgery offers safe, durable solutions that can restore mobility and independence for decades.

Doctor Bio

Nana Sarpong, MD, MBA, is a fellowship-trained orthopedic surgeon specializing in hip and knee reconstruction. He is skilled in minimally invasive techniques, including partial knee reconstruction, primary hip replacement (both direct anterior and mini-posterior hip approaches), knee replacement, hip resurfacing, and complex primary and revision hip and knee replacement after failed surgeries. His practice leverages advanced technologies, including computer-assisted navigation and robotics, and offers the latest evidence-based surgical and nonsurgical treatment options. Based on a rigorous process to identify healthcare providers with a high degree of peer recognition and professional achievement, Super Doctors named Dr. Sarpong one of New York's Rising Stars.

Dr. Sarpong was raised in New York City and attended Brandeis University, in Massachusetts, on the Posse Foundation Leadership and Merit scholarship, graduating magna cum laude. He received his MD/MBA degree from Tufts University School of Medicine, where he was inducted into the Alpha Omega Alpha Honor Society and received the Norman S. Stearns MD/MBA Excellence in Leadership Award. Dr. Sarpong completed his orthopedic surgery residency at NewYork-Presbyterian/Columbia University Irving Medical Center, where he was elected as executive chief resident in his final year. As a chief resident, he was the recipient of the Nas Eftekhar award for excellence in adult reconstruction and the chief resident teacher of the year award. He completed the prestigious adult reconstruction and joint replacement surgery fellowship at the Hospital for Special Surgery and NewYork-Presbyterian/Weill Cornell Medical Center, where he received specialized training in navigation and computer-assisted joint replacement and complex and revision reconstruction.

Dr. Sarpong is actively engaged in research, with more than 80 peer-reviewed papers, textbook chapters, editorials, and national and international scientific presentations to his credit. His ongoing research interests include the impact of enabling technologies on patient outcomes after hip and knee reconstruction. Dr. Sarpong has served as a peer reviewer for many academic journals, including Foot & Ankle Specialist, the Journal of Arthroplasty, Clinical Orthopaedics and Related Research, HSS Journal, and the Knee Journal. He is an active member of numerous professional organizations, including the American Academy of Orthopaedic Surgeons, the American Association of Hip and Knee Surgeons, the J. Robert Gladden Orthopaedic Society, the New York State Society of Orthopaedic Surgeons, and the American Orthopaedic Association, where he was elected as an emerging leader. Dr. Sarpong is committed to developing the next generation of leaders in medicine as a mentor to medical students, residents, and fellows.