Luke Yoquinto

If the idea of eating red food dye made from bugs grosses you out, consider that if it doesn't come from a bug, it may come from something worse.

Sure, a product made from low-quality scraps of meat processed with ammonia is gross. But is it really bad for you?

Cocoa butter is found in chocolate, and also in lotions. Is it good for you?

Guar gum is a food additive that helps make ice cream creamy. It's also one reason ice cream is getting more expensive these days. Here's a look at why.

BHA is added to many foods, especially fats and oils, to prevent them from spoiling. But is this chemical bad for you?

Tonic water was first used as a medicine. Does that mean it has side effects?

Rumors have swirled for years that the dye in Mountain Dew lowers sperm counts. But does it really?

When you hand over that little cup, you're participating in a medical tradition more than 6,000 years old.

Women in a recent survey reported increasing satisfaction with their sex lives as they aged.

Gluten is an indigestible protein found in grains. Gluten should be avoided by people with celiac disease and gluten sensitivity, but evidence has not shown it is harmful to others.

Trans fats lower good cholesterol and raise bad cholesterol.

Folic acid deficiency can cause anemia, and lead to serious birth defects. But too much may cause cancer.

Is red dye No. 2 dangerous to your health?

Potassium bromate, a food additive that can help bread dough hold together, is banned in several countries, but legal in the U.S.

The seeds of the guarana fruit are about the size of coffee beans, but they contain more than twice as much caffeine, along with other compounds.

MSG is unlikely to cause health problems for most people. But what is MSG?

Omega-3 fatty acids may come from fish, but there's nothing fishy about their disease-fighting qualities.

Are the preservatives used in deli meats harmful to health?

In 1965, aspartame was discovered by accident. It's effects of health remain controversial today.

The hormone oxytocin can be speedily delivered to the brain's fear center, a new study shows.

Our perception that body fat is optional leads to discrimination against obese individuals.

Here are five stories of the greatest marathon-related feats.

Stomach acid helps protect the body against bacteria infections.

What does your urine say about your health?