Did you know that your blood type affects more than just who you can donate blood to?

The new breed of high-tech self-monitors (measuring heartrate, sleep, steps per day) might seem targeted at competitive athletes. But Talithia Williams, a statistician, makes a compelling case that all of us should be measuring and...

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...

Aspirin isn't just an old medicine cabinet stand-by, it's one of the oldest medicines we humans learned how to make ourselves. And our research into aspirin did more than just make it better at relieving pain, it opened the door to whole...

We all know that we need things like water and oxygen to live, but what happens when you get too much of a good thing?

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.

It's no surprise that heart tissue and bone tissue have really different jobs. So why does it happen?

4000 years ago, the ancient Sumerians made a surprising discovery: if they scraped the bark off a particular kind of tree and ate it, their pain disappeared. Little did they know that what they'd found was destined to influence the...

Can you literally "die of fright?" Turns out, you can! In this episode of SciShow Hank explores the mechanisms in your body that activate when you get scared, and how they can sometimes get out of hand.

High elevations can be a problem for humans. Since the air is thinner, you get less oxygen with every breath, leading to all kinds of negative side effects. But there are millions of people around the world who spend their whole lives at...

Approximately seven million people around the world die from heart attacks every year. And cardiovascular disease, which causes heart attacks and other problems like strokes, is the world's leading killer. So what causes a heart attack?...

Hank reveals the latest discoveries, including a way to make new, beating heart cells, ancient Egyptian jewelry made from meteorites, and the first mammal to be discovered in the Americas in 35 years, the adorable olinguito.

Why do doctors get sued? How can malpractice suits be avoided? It turns out, the answer may be simple. Defensive medicine refers to the idea that doctors are forced to order extra tests, perform extra procedures, or push for more office...

Should we use beta-blockers in the elderly after they have a heart attack? It just got more complicated. This is Healthcare Triage News.

One of the problems with the way we discuss health interventions is that we see them in black and white. Something is either good for you or bad for you. Things are rarely that simple, though. Moreover, there's "good for you" and "GOOD...

Marijuana!You guys always want to know more about pot from Healthcare Triage. It's also one of the most controversial and complex subjects we cover. And it's time for an update on what we know, versus what we think, when it comes to the...

Last week, we discussed the NNT, or number needed to treat. I'm sure it made a lot of you upset to realize that many therapies you've been sold as "awesome" were, in fact, somewhat incremental with respect to benefits. But another...

Stents are a popular treatment for angina pectoris, or chest pain usually resulting from narrowed arteries. Getting a stent is a serious procedure, with no small risk associated with it. And recent studies indicate that stents don't do...

Comedian stops show to help man having heart attack before finishing set to him in hospitalCredit: Drew Lynch via Instagram and YouTube

How Heart Disease And Depression Are Related

A Heart Healthy Firehouse Chili

Are Nuts Healthy for You?

Cholesterol is something everyone talks about, but how much do we really know? To find out, we visited a farmer's market to chew the fat, the good fat that is, and put shoppers to the test, Follow along and see how well you do with this...

Time for a Pop Quiz. All the following are potential signs for a heart attack, but one is more than likely to affect women. Is it....<br/>
A) Chest<br/> discomfortB) Pain in bot<br/>h arms
C) Shortness of breath
D) Cold sweat.