Dr. Dawn explores new research on testosterone replacement therapy's cardiovascular safety, explaining benefits for muscle mass maintenance and diabetes prevention in aging men.

She addresses caller concerns about probiotics during antibiotic treatment, explaining how dead bacteria can still provide beneficial effects and help prevent complications.

The show examines the current challenges facing 23andMe, including data breaches and financial difficulties, with recommendations for users to download and delete their data.

Dr. Dawn discusses breakthrough success in pig kidney transplantation, highlighting a patient's remarkable two-month milestone with normal kidney function.

She provides a comprehensive overview of scientifically-proven strategies to reduce dementia risk, including diet, exercise, vaccination, and social engagement

The show addresses an email question about migraine treatments, discussing medication options including parthenolide and topiramate as alternatives to expensive newer drugs.

Dr. Dawn explains the benefits of honey as a sugar substitute, noting that while raw honey offers some nutritional advantages over processed sugar, it still affects blood sugar similarly.

She helps a caller investigate mysterious recurring purple discoloration on her nose tip, suggesting possible vascular causes and recommending documentation of episodes.

Dr. Dawn explains the use of colloidal silver nasal spray for viral protection, discussing its effectiveness despite limited clinical trials.