Tag: TED-Ed

What causes headaches? – Dan Kwartler

In ancient Greece, headaches were considered powerful afflictions. Victims prayed for relief from Asclepius, the god of medicine. And if pain continued, a medical practitioner would perform the best-known remedy—… Read more »

How do cigarettes affect the body? – Krishna Sudhir

Cigarettes aren’t good for us. That’s hardly news–we’ve known about the dangers of smoking for decades. But how exactly do cigarettes harm us? Let’s look at what happens as their… Read more »

How Do Pain Relievers Work? – George Zaidan

Translator: Ido Dekkers Reviewer: Ariana Bleau Lugo Say you’re at the beach, and you get sand in your eyes. How do you know the sand is there? You obviously can’t… Read more »

What happens when you have a concussion? – Clifford Robbins

Each year in the United States, players of sports and recreational activities receive between 2.5 and 4 million concussions. How dangerous are all those concussions? The answer is complicated, and… Read more »

How aspirin was discovered – Krishna Sudhir

4,000 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… Read more »