Intestinal worms, which live in the gut, are some of the world’s most common parasites. Because they live in the gut, you can sometimes tell you have intestinal worms by looking at your stool. These ...

Are problems with your digestive system causing concerns? Explore some of the diseases that may be causing your symptoms and learn how they're treated.

In the early 1950s there were four vaccines routinely used in the United States: diphtheria, tetanus, pertussis, and smallpox. Three of these vaccines (diphtheria, tetanus, and pertussis) were ...