What if we could help people in crisis anytime, anywhere with a simple text message? That's the idea behind Crisis Text Line, a free 24-hour service that connects people in need with trained, volunteer crisis counselors -- "strangers helping strangers around the world, like a giant global love machine," as cofounder and former CEO Nancy Lublin puts it. Learn more about their big plans to expand to four new languages, providing a third of the globe with crucial, life-saving support. (This ambitious plan is a part of the Audacious Project, TED's initiative to inspire and fund global change.)

Crisis support for the world, one text away | Nancy Lublin

What does exercise do to your brain? Can psychedelics treat depression? From smart daily habits to new medical breakthroughs, welcome to TED Health, with host Dr. Shoshana Ungerleider. TED speakers answer questions you never even knew you had, and share ideas you won't hear anywhere else, all around how we can live healthier lives.

Health & Fitness

Since humanity’s earliest days, we’ve been plagued by countless disease-causing pathogens. Invisible and persistent, these microorganisms and the illnesses they incur have killed more humans than anything else in history. But which disease has been the deadliest? Dan Kwartler digs into how human progress and innovation throughout history exposed us to surprising new maladies. This TED-Ed lesson was directed by BASA, narrated by Addison Anderson and the music was created by Igor Figueroa, Estudio Mono.

The diseases that changed humanity forever | Dan Kwartler

Having your period is exhausting — and for many people across the world, menstruation is even more challenging because of stigmas and difficulty getting basic hygiene supplies, says social activist Ananya Grover. In this uplifting, actionable talk, she shares how "Pravahkriti," her campaign to spread period positivity, creatively engages with everyone to promote menstrual health, raise awareness and break taboos around periods. After the talk, Shoshana has a sweeping conversation with OB/GYN, activist and fellow TED Audio Collective host Dr. Jen Gunter on breaking down period myths and misconceptions.

A campaign for period positivity | Ananya Grover

Biologist Kathleen McAuliffe dives into emerging research that explores how certain gut bacteria can influence major parts of who you are, from your personality to life-changing neurological disorders. Learn more about how this ongoing clinical medical and pharmaceutical research might change how we treat disease — and discover the impact of your internal microbial makeup on your mood, weight and more.

Do gut microbes control your personality? | Kathleen McAuliffe

Have we misunderstood pain? This week we’re revisiting a talk by researcher and physician Amy Baxter as she unravels the symphony of connections that send pain from your body to your brain, explaining practical neuroscience hacks to quickly block those signals. Her groundbreaking research offers alternatives for immediate pain relief -- without the need for addictive opioids. (Followed by a Q&A with TED current affairs curator Whitney Pennington Rodgers)

How to hack your brain when you're in pain | Amy Baxter

Have we lost the practical wisdom of what happens as people die? With lessons from a career witnessing thousands of people's final breaths, palliative care expert Kathryn Mannix urges us to demystify the experience of death, sharing how a better understanding of what actually happens can reduce fear in the final days, for you and your loved ones. After the talk, Shoshana shares how one patient changed her life forever and led her to found endwellproject.org, a platform dedicated to making end-of-life PART of life.

Crisis support for the world, one text away | Nancy Lublin

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