Most people only find out their blood type when donating blood or when a medical emergency calls for it. Recent research suggests this biological marker may influence heart health. Multiple ...

Scientists have long considered that the world’s most common sexually transmitted infection, human papillomavirus, or HPV, may be a driver of infertility. Most research about HPV’s potential impact on ...

Is the outside unaligned with what you feel inside? Medically reviewed by Steven Gans, MD Inappropriate affect occurs when emotions expressed don't match the situation. It can result from brain damage ...

Chemically, there are many different types of sugar. But for dietary purposes, there are only two kinds of sugars you need to concern yourself with: naturally occurring sugars and added sugars.

There are four types of stomach ulcers. Each type occurs on a different part of the stomach lining. These are different from duodenal ulcers, although they develop nearby and have similar causes and ...