Secrets of Coca-Cola • 2017 • Dispatches

3:24

There’s a factory inside you that weighs about 1.4 kilograms and runs for 24 hours a day. It’s your liver: the heaviest organ in your body, which simultaneously acts as a storehouse, a manufacturing hub, and a processing plant.

TED-Ed • Health

46:38

After 25 years of sleep attacks, Yvette has been diagnosed with narcolepsy. And Laura's horrifying night terrors keep her trapped in her bedroom. Can the sleep experts help?

2017 • The Secrets of Sleep • Health

59:09

Michael Mosley puts himself through a battery of health tests available to people who feel perfectly well. From an expensive heart scan to a new national screening procedure to detect the earliest signs of bowel cancer, Mosley sets out to discover which if any of the tests are worth doing.

2015 • Horizon • Health

58:44

It’s 4am, and the big test is in 8 hours. You’ve been studying for days, but you still don’t feel ready. Should you drink another cup of coffee and spend the next few hours cramming? Or should you go to sleep? Shai Marcu defends the latter option, showing how sleep restructures your brain in a way that’s crucial for how our memory works.

TED-Ed • Health

4:34

In the United States, it’s estimated that 30 percent of adults and 66 percent of adolescents are regularly sleep-deprived. This isn’t just a minor inconvenience: staying awake can cause serious bodily harm. Claudia Aguirre shows what happens to your body and brain when you skip sleep.

2015 • TED-Ed • Health

58:37

Angela Rippon investigates the disease that took her mother's life and is now starting to affect her friends. She undergoes a series of tests to discover if she has any early signs of the disease and makes the difficult decision about whether to take a genetic test that could predict her future risk. Along the way, Angela finds out some of the surprising ways people can help to protect themselves. She discovers why getting a good night's sleep could help prevent Alzheimer's and how learning a new language might be more effective than any current drug treatment. Angela also visits a number of people who are living with the disease, including Bob, the husband of one of her oldest friends. She meets families that carry a gene for early-onset Alzheimer's and discovers how they could be the best hope of finding a cure for this devastating disease.

2016 • Health