Humans have always peed and pooped, but where it goes after we’ve done our business has changed a lot. In fact: The water you just drank may well have been a part of someone’s urine just weeks ago! SciShow explains!

Getting a cold or flu can be sort of scary. But sometimes the more you know about something, the less scary it is!

The human body is a complicated thing! To be able to move, fight off diseases, and even see colors, lots of different systems and organs need to work together. Squeaks' robot body is pretty complicated, too, so Jessi has put together a...

We used to think having a distinct left and right brain was something unique to humans. But brain lateralization has now been found in everything from chickens to spiders! Does this change our theories for why some brains work that way?

Our final unit of Crash Course Sociology is medical sociology. Today we’ll explain what it is and get an overview of the role of society in our notions of health and disease.

What killed George Washington? Turns out it was probably related to the bloodletting and other 18th-century medicine his doctors applied.

The famous symptomless carrier of Typhoid Fever, Mary Mallon, never felt the effects of the fever, but never recovered from a medical system that didn’t know how to treat a carrier of the disease.

We've talked about some of the ways microgravity can negatively affect humans, but for bacteria, being in space might be quite beneficial!

Your body produces more than a liter of mucus every day, and when you're sick, it can be hard to miss. But what exactly is mucus? And what does it do, besides making you miserable? Katharina Ribbeck reveals the mysteries of this...

Want to learn more about the topic in this week's video? Here's a keyword to get your googling started: herd immunity: immunity that occurs when the vaccination of a portion of a population provides protection for individuals who have...

SARS-CoV-2 is a new kind of coronavirus that appeared suddenly in late 2019. The disease it causes, called COVID-19, is now showing signs that it's able to spread outside of its place of origin. This raises some questions... like, do we...

You may have heard several different projections about the fatality rate of COVID-19. How do different health organizations come up with these figures, and why do the numbers seem so fluid?

Hannah Spencer's speech in full as Greens win Gorton and Denton by-electionCredit: PA

Improve your English with our original drama series. In this episode, you’ll hear real English conversations, learn everyday expressions, and practice listening comprehension in a fun, story-driven format. For learners at the...

We're still firmly on the "Don't Panic" message with the Coronavirus outbreak. This week we're going to look at a couple of scenarios for how this thing could play out.

The Trump administration can still do plenty to mess with the Affordable Care Act. We warned about that in many episodes, and it’s coming to pass.

Antibiotics are one of the greatest medical innovations ever, responsible for saving something like a gazillion lives. But today, we're worried about overusing them, and there are concerns that one day they won't really work anymore....

The spread of the new Coronavirus has continued, with a number of cases showing up in countries like Iran, Italy, and South Korea. Coronavirus information is changing by the minute, so we’re back with another update.

Is there a mother out there who doesn't warn their children that going out in the cold is going to make them sick? Have you heard that old chestnut about losing all of your body's heat through your head? Do you think drinking alcohol...

There was a big study on alcohol and life expectancy that was all over the news recently. It was pretty scary, and seemed to conclude that any alcohol use can shorten your life. Well, that study had a lot of problems. Let's talk about it.

Maybe the person working near you, the one who dragged himself to work and is now coughing and sneezing, couldn't afford to stay home. Each week about 1.5 million Americans without paid sick leave go to work despite feeling ill. At least...

The latest and greatest gadget from Apple, the Watch Series 4, has doubled down on the health monitoring game, and is sporting an electrocardiogram, or ECG, function. But how useful is this thing? Does it make sense to monitor lots of...

This year's influenza is really bad. Hospitalizations are up, and health departments in 49 states report widespread flu. Apparently, if you don't want the flu, go to Hawaii. Just kidding. You can still get a flu shot, and you don't have...

Mentalist Oz Pearlman puts his mind-bending skills to the test, attempting to uncover a secret code known only to host Rich Kleiman. Watch the jaw-dropping moment unfold in this episode of Nework with Rich Kleiman.