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When is water safe to drink? - Mia Nacamulli

Adults Health
Water is refreshing, hydrating, and invaluable to your survival. But clean water remains a precious and often scarce commodity - there are nearly 800 million people who still don't have regular access to it. Why is that? And how can you tell whether the water you have access to - whether from a tap or otherwise - is drinkable? Mia Nacamulli examines water contamination and treatment.

You Might Get Fat Just By Smelling Your Food

Adults Health
The nose's olfactory receptors are stimulated when we smell food and other odors. But could the process of smelling cause weight gain?

A soft silicone 3D-printed heart

Adults Health
Swiss researchers have come a step closer to building a better artificial heart. It's a squishy prototype that's 3D-printed from silicone.

Our Little Superhero Made Of Glass | Living Differently

Adults Health
Kaden Casebolt, 5, has Osteogenesis Imperfecta, meaning his bones can break from sneezing. Despite his fragility, the superhero-obsessed boy loves dressing up as his heroes.

What happens when you have a concussion? - Clifford Robbins

Adults Health
Each year in the United States, players of sports and recreational activities receive between 2.5 and 4 million concussions. How dangerous are all those concussions? The answer is complicated and lies in how the brain responds when something strikes it. Clifford Robbins explains the science behind concussions.

Your Body Is Designed to Attack a New Organ, Now We Know Why

Adults Health
Scientists think they've found the molecular basis for organ transplant rejection. Now that we know its cause, could we prevent its effect?

What happens to your body when you stop exercising

Adults Health
For adults, the CDC recommends at least 2 hours and 30 minutes of moderate-intensity aerobic activity and two, or more, days of muscle training per week. However, not everyone meets those standards. This is what happens to your body when you go from regularly exercise to none at all.

What happens to your body when you binge-watch too much TV

Adults Health
Watching hours of TV at a time creates an astounding cocktail of bad side-effects. But there are ways to binge responsibly.

How does caffeine keep us awake? - Hanan Qasim

Adults Health
Over 100,000 metric tons of caffeine are consumed around the world every year. That's equivalent to the weight of 14 Eiffel Towers! Caffeine helps us feel alert, focused, and energetic, even if we haven't had enough sleep - but it can also raise our blood pressure and make us feel anxious. So how does it keep us awake? Hanan Qasim shares the science behind the world's most widely used drug.

The Hunt for Patient Zero Is Important But Impossible

Adults Health
Finding the source of a disease outbreak requires intensive detective work from health experts. But is finding Patient Zero even possible?

Revolutionizing Heart Surgery With Virtual Reality

Adults Health
Have you ever wondered what it would be like to take a ride through the human body on the Magic School Bus? Well, a new bit of virtual reality technology is taking that concept and applying it to medical training. Doctors can now teleport inside the human heart and practice surgery over and over again, and this training could revolutionize the future of health care.

Kid Yoga Teacher | Tabay Atkins // 60 Second Docs

Adults Health
11-year-old Tabay Atkins is America's youngest yoga teacher, and his purpose is giving back. After his mother beat cancer when he was just 6, Tabay picked up yoga, realizing the practice that helped his mom heal could make a difference for others. Once he completed a 200-hour teacher training, Tabay began teaching three free classes (donations appreciated) every week. Now, students of all ages flock to his studio to honor the divine spirit in him -- and themselves.

The best way to save a choking victim is no longer 'the Heimlich'

Adults Health
Many people believe the "Heimlich maneuver" is the only viable option to help save a choking victim. Turns out, that's not really the case. Following is a transcript of the video.

A neuroscientist explains how exercise can make you smarter

Adults Health
Dr. Wendy A. Suzuki is a Professor of Neural Science and Psychology in the Center for Neural Science at NYU and the the author of "Healthy Brain, Happy Life." Here, she explains the positive effects of exercising to the brain.

How does your body process medicine?

Adults Health
Have you ever wondered what happens to a painkiller, like ibuprofen, after you swallow it? Medicine that slides down your throat can help treat a headache, a sore back, or a throbbing sprained ankle. But how does it get where it needs to go in the first place?

How does asthma work? - Christopher E. Gaw

Adults Health
More than 300 million people around the world suffer from asthma, and around 250,000 people die from it each year. But why do people get asthma, and how can this disease be deadly? Christopher E. Gaw describes the main symptoms and treatments of asthma.

A Robot Just Performed the First-Ever Surgery Inside the Human Eye

Adults Health
A surgeon uses controls to guide the robot.