People around the world have been diagnosed with attention deficit hyperactivity disorder, ADHD. And many are on drugs, like Ritalin, to help with the disorder.
I've heard that owning a dog or cat can be a good way to deal with stress and ward off depression. Is that true?
Everyone has experienced the queasy sensation. Yet scientists actually know very little about what causes nausea.
Every season several football players miss a number of games after absorbing vicious blows to the head.
Ever feel sleepy after a big lunch? Find out the science behind taking a siesta!
This oft-quoted myth holds a certain appeal because if it were true, then we could become more intelligent just by firing up that sleepy majority of the brain!
Have you ever heard a strange buzzing or ringing in your ear that went away after a few seconds? What is that strange occurrence called?
What brings on itches in the first place, and why does scratching provide such welcome relief?
Is it really possible to be a chocolate addict in the same way that someone might be addicted to drugs?
Chow down salty chips or pretzels, and soon you'll be guzzling your favorite drink. But snacking on sugary foods makes you thirsty, too.