Take vitamin C supplements when you feel a cold coming on? The problem is, you can’t actually “strengthen” your immune system, says Dr. Jen Gunter. Diving into the elegant network of cells, tissues and organs that protect us every day,…

Visit to get our entire library of TED Talks, transcripts, translations, personalized talk recommendations and more. Developing a vaccine usually takes five to 10 years, costs about a billion dollars and has a failure rate of 93 percent. Under the…

Visit to get our entire library of TED Talks, transcripts, translations, personalized talk recommendations and more. What happens if you get infected with the coronavirus? Who’s most at risk? How can you protect yourself? Public health expert David Heymann, who…

Sleep is your life-support system and Mother Nature’s best effort yet at immortality, says sleep scientist Matt Walker. In this deep dive into the science of slumber, Walker shares the wonderfully good things that happen when you get sleep –…