Until very recently, this microbe-mediated immune education was thought to be initiated when a newborn baby leaves the relatively sterile environment of the uterus and is seeded with its mother’s ...

You cannot get Lyme disease if you come into contact with someone’s sneeze, cough, or blood. Learn when it is contagious and ...

Honey contains C. botulinum bacteria, which can produce a toxin in a baby's large intestine, leading to a rare but serious illness known as "infant botulism." Following is a transcript of the video.