SciShow
Can You Get Too Much Sleep?
Are you someone who likes to hit the snooze button four or five times before waking up? Do you have to be physically pulled out of bed every morning? Do you ever wonder if that's normal and healthy? Well, this episode is for you!
SciShow
The Truth About 5 Health Food Trends | Compilation
We humans love a good health food trend, but sometimes it can be hard to sort out the facts from the fiction. So over the years, we here at SciShow have hit up the research and set the record straight.
SciShow
Weird Things Whales Lost on Their Journey to the Sea
When the ancestor of cetaceans went back into the water some 50 million years ago, it left a few things behind—including the functioning of certain genes that seem like they’d be hard to live without.
TED Talks
Rishi Manchanda: What makes us get sick? Look upstream
Rishi Manchanda has worked as a doctor in South Central Los Angeles for a decade, where he’s come to realize: His job isn’t just about treating a patient’s symptoms, but about getting to the root cause of what is making them ill—the...
TED Talks
Dean Ornish: Healing through diet
Dean Ornish talks about simple, low-tech and low-cost ways to take advantage of the body's natural desire to heal itself.
TED Talks
Dean Ornish: The killer American diet that's sweeping the planet
Forget the latest disease in the news: Cardiovascular disease kills more people than everything else combined -- and it’s mostly preventable. Dr. Dean Ornish explains how changing our eating habits can save lives.
TED Talks
Christopher McDougall: Are we born to run?
Christopher McDougall explores the mysteries of the human desire to run. How did running help early humans survive -- and what urges from our ancient ancestors spur us on today? McDougall tells the story of the marathoner with a heart of...
SciShow
How Your Blood Type Protects and Hurts You
Did you know that your blood type affects more than just who you can donate blood to?
TED-Ed
TED-Ed: Jeff Leek and Lucy McGowan: This one weird trick will help you spot clickbait
Health headlines are published every day, sometimes making opposite claims from each other. There can be a disconnect between broad, attention-grabbing headlines and the often specific, incremental results of the medical research they...
SciShow
6 of the Longest Experiments Ever
From the bell that hasn't stopped ringing, to observing evolution in action, SciShow presents 6 of the Longest Experiments Ever.
TED Talks
Richard Weller: Could the sun be good for your heart?
Our bodies get Vitamin D from the sun, but as dermatologist Richard Weller suggests, sunlight may confer another surprising benefit too. New research by his team shows that nitric oxide, a chemical transmitter stored in huge reserves in...
SciShow
Does Deep Space Cause Heart Disease?
A bizarre lonely star grows brighter, and we investigate a study that looks at whether astronauts that leave the magnetosphere have higher incidences of heart disease.
TED Talks
Chuck Murry: Can we regenerate heart muscle with stem cells?
The heart is one of the least regenerative organs in the human body -- a big factor in making heart failure the number one killer worldwide. What if we could help heart muscle regenerate after injury? Physician and scientist Chuck Murry...
SciShow
5 Weird Things Your Blood Can Tell You
Blood is a pretty remarkable diagnostic tool! It doesn’t just tell you about blood-related diseases, it can reveal information about everything from your brain to your unborn fetus. Chapters PREMATURE BABIES 0:48 CONCUSSIONS 4:11 BLOCKED...
SciShow
What Being a Night Owl Does to Your Health | SciShow News
We’re learning more about the differences in health between early risers and night owls, and new research could offer even more evidence that vaping is just different from smoking, not necessarily better.
TED Talks
Sandeep Jauhar: How your emotions change the shape of your heart
"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...
SciShow
Why Nutrition Studies Keep Contradicting Each Other
It seems like nutrition studies contradict a lot, and it’s practically impossible to get a straight answer on whether a given food or supplement is good for you. But why?
TED-Ed
TED-ED: What is epigenetics? - Carlos Guerrero-Bosagna
Here's a conundrum: Identical twins originate from the same DNA ... so how can they turn out so different - even in traits that have a significant genetic component? Carlos Guerrero-Bosagna explains that while nature versus nurture has a...
SciShow
Do Spicy Food Lovers Live Longer?
Spicy food is delicious, but how does it affect our health?
Crash Course
Population Health: Crash Course Sociology
We’re continuing our unit on health with a discussion of some of the indicators that help us measure health for different populations. We’ll also explore three contributors to health disparities: individual factors like genetics,...
3Blue1Brown
The quick proof of Bayes' theorem
A short explanation of why Bayes' theorem is true, together with discussion on a common misconception in probability
SciShow
Obesity
Hank tells us some of the surprising things that could be causing or contributing to the obesity epidemic.
Be Smart
Is Inheritance Really All In Our Genes?
Epigenetic inheritance is really weird, but is it real?
Crash Course
Why Do We Have Fewer Outbreaks? Epidemiological Transition - Crash Course Outbreak Science
We take it for granted that society gets better at tackling infectious disease over time, but when you really think about it the progress we’ve made in the last century is pretty amazing. How does that much progress happen so quickly?...