"Doctor, is this really necessary?" Backed by startling statistics about overtreatment, neurosurgeon Christer Mjåset explains the power of this and other simple questions in the context of medical treatment and surgery -- and shares how patients can better work with doctors to get the care they need.
In a moving talk, journalist Johann Hari shares fresh insights on the causes of depression and anxiety from experts around the world -- as well as some exciting emerging solutions. "If you're depressed or anxious, you're not weak and you're not crazy -- you're a human being with unmet needs," Hari says.
"A record of our emotional life is written on our hearts," says cardiologist and author Sandeep Jauhar. In a stunning talk, he explores the mysterious ways our emotions impact the health of our hearts -- causing them to change shape in response to grief or fear, to literally break in response to emotional heartbreak -- and calls for a shift in how we care for our most vital organ.
TV news anchor Lee Thomas thought his career was over after he was diagnosed with vitiligo, an autoimmune disorder that left large patches of his skin without pigment and led to derision and stares. In a captivating talk, he shares how he discovered a way to counter misunderstanding and fear around his appearance with engagement, dialogue -- and a smile. "Positivity is something worth fighting for, and the fight is not with others -- it's internal," Thomas says. "If you want to make positive...
Could psychedelics help us heal from trauma and mental illnesses? Researcher Rick Doblin has spent the past three decades investigating this question, and the results are promising. In this fascinating dive into the science of psychedelics, he explains how drugs like LSD, psilocybin and MDMA affect your brain -- and shows how, when paired with psychotherapy, they could change the way we treat PTSD, depression, substance abuse and more.
Being open and vulnerable with your loneliness, sadness and fear can help you find comfort and feel less alone, says writer and artist Jonny Sun. In an honest talk filled with his signature illustrations, Sun shares how telling stories about feeling like an outsider helped him tap into an unexpected community and find a tiny sliver of light in the darkness.
The world-changing promise of synthetic biology and gene editing has a dark side. In this far-seeing talk, author and entrepreneur Rob Reid reviews the risks of a world where more and more people have access to the tools and tech needed to create a doomsday bug that could wipe out humanity -- and suggests that it's time to take this danger seriously.
E-cigarettes and vapes have exploded in popularity in the last decade, especially among youth and young adults -- from 2011 to 2015, e-cigarette use among high school students in the US increased by 900 percent. Biobehavioral scientist Suchitra Krishnan-Sarin explains what you're actually inhaling when you vape (hint: it's definitely not water vapor) and explores the disturbing marketing tactics being used to target kids. "Our health, the health of our children and our future generations is...
Sleep is your life-support system and Mother Nature's best effort yet at immortality, says sleep scientist Matt Walker. In this deep dive into the science of slumber, Walker shares the wonderfully good things that happen when you get sleep -- and the alarmingly bad things that happen when you don't, for both your brain and body. Learn more about sleep's impact on your learning, memory, immune system and even your genetic code -- as well as some helpful tips for getting some shut-eye.
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.
Here's a shocking statistic: 50 to 80 percent of people in the criminal justice system in the US have had a traumatic brain injury. In the general public, that number is less than five percent. Neuropsychologist Kim Gorgens shares her research into the connection between brain trauma and the behaviors that keep people in the revolving door of criminal justice -- and some ways to make the system more effective and safer for everyone.
Every year worldwide, more than 50,000 otherwise healthy people with epilepsy suddenly die -- a condition known as SUDEP. These deaths may be largely preventable, says AI researcher Rosalind Picard. Learn how Picard helped develop a cutting-edge smartwatch that can detect epileptic seizures as they occur and alert nearby loved ones in time to help.
Current treatments for depression and PTSD only suppress symptoms, if they work at all. What if we could prevent these diseases from developing altogether? Neuroscientist and TED Fellow Rebecca Brachman shares the story of her team's accidental discovery of a new class of drug that, for the first time ever, could prevent the negative effects of stress -- and boost a person's ability to recover and grow. Learn how these resilience-enhancing drugs could change the way we treat mental illness.
How would you prefer to spend the last years of your life: in a sterile, hospital-like institution or in a village with a supermarket, pub, theater and park within easy walking distance? The answer seems obvious now, but when Yvonne van Amerongen helped develop the groundbreaking Hogeweyk dementia care center in Amsterdam 25 years ago, it was seen as a risky break from tradition. Journey with van Amerongen to Hogeweyk and get a glimpse at what a reimagined nursing home based on freedom,...
In the US, the very same blood test can cost $19 at one clinic and $522 at another clinic just blocks away -- and nobody knows the difference until they get a bill weeks later. Journalist Jeanne Pinder says it doesn't have to be this way. She's built a platform that crowdsources the true costs of medical procedures and makes the data public, revealing the secrets of health care pricing. Learn how knowing what stuff costs in advance could make us healthier, save us money -- and help fix a...
Modern American health care is defined by its high costs, high overhead and inaccessibility -- especially for low-income patients. What if we could redesign the system to serve the poor and still have doctors make money? In an eye-opening (and surprisingly funny) talk, physician P.J. Parmar shares the story of the clinic he founded in Colorado, where he serves only resettled refugees who mostly use Medicaid, and makes the business case for a fresh take on medical service.
Silence is a rare commodity these days. There's traffic, construction, air-conditioning, your neighbor's lawnmower ... and all this unwanted sound can have a surprising impact on your health, says noise researcher Mathias Basner. Discover the science behind how noise affects your health and sleep -- and how you can get more of the benefits of the sound of silence.
There's no better way to stop a disease than to catch and treat it early, before symptoms occur. That's the whole point of medical screening techniques like radiography, MRIs and blood tests. But there's one medium with overlooked potential for medical analysis: your breath. Technologist Julian Burschka shares the latest in the science of breath analysis -- the screening of the volatile organic compounds in your exhaled breath -- and how it could be used as a powerful tool to detect, predict...
You probably know the common symptoms of a heart attack: chest and arm pain, shortness of breath and fatigue. But there's another kind that's just as deadly and harder to detect because the symptoms are silent. In this quick talk, 17-year-old inventor Akash Manoj shares the device he's developed to stop this silent killer: a noninvasive, inexpensive, wearable patch that alerts patients during a critical moment that could mean the difference between life and death.
As a fire chief and first responder, Jan Rader has spent her career saving lives. But when the opioid epidemic hit her town, she realized they needed to take a brand-new approach to life-saving. In this powerful, hopeful talk, Rader shows what it's like on the front lines of this crisis -- and how her community is taking an unusual new approach to treating substance-abuse disorder that starts with listening.