TED Health TED Talks

In 1970, marijuana was classified as a schedule 1 drug in the United States: the strictest designation possible, meaning it was completely illegal and had no recognized medical uses. Today, marijuana's therapeutic benefits are widely acknowledged, but a growing recognition for its medical value doesn't answer the question: is recreational marijuana use bad for your brain? Anees Bahji investigates. This is a TED-Ed lesson directed by Anton Bogaty, narrated by Addison Anderson, with music by Bamm Bamm Wolfgang.

Trauma and PTSD rewire your brain -- especially your memory -- and can unearth destructive emotional responses when stirred. Could we eliminate these triggers without erasing the memories themselves? Enter neurologist Amy Milton's mind-blowing, memory-editing clinical research poised to defuse the damaging effects of painful remembered experiences and offer a potential path toward better mental health.

School can be rife with stress, anxiety, panic attacks and even burnout — but there's often no formal policy for students who need to prioritize their well-being. Hailey Hardcastle explains why schools should offer mental health days and allow students time to practice emotional hygiene without stigma. Follow along to learn how she and a team of fellow teens transformed their advocacy into law.

You use your brain's executive function every day -- it's how you do things like pay attention, plan ahead and control impulses. Can you improve it to change for the better? With highlights from her research on child development, cognitive scientist Sabine Doebel explores the factors that affect executive function -- and how you can use it to break bad habits and achieve your goals.

Stories help you make sense of your life -- but when these narratives are incomplete or misleading, they can keep you stuck instead of providing clarity. In an actionable talk, psychotherapist and advice columnist Lori Gottlieb shows how to break free from the stories you've been telling yourself by becoming your own editor and rewriting your narrative from a different point of view.

"We've been promised a future of chrome -- but what if the future is fleshy?" asks biological designer Christina Agapakis. In this awe-inspiring talk, Agapakis details her work in synthetic biology -- a multidisciplinary area of research that pokes holes in the line between what's natural and artificial -- and shares how breaking down the boundaries between science, society, nature and technology can lead us to imagine different possible futures.