Hematemesis is the medical term used to describe vomiting blood. The blood can be bright red, dark red, black, or dark brown, or resemble coffee grounds. It is caused by internal gastrointestinal (GI) ...

Until about five years ago, scientists believed the pregnancy hormone, human chorionic gonadotropin (hCG), was the culprit.

This condition, called hyperemesis gravidarum, can last the whole pregnancy and be dangerous for both the woman and the fetus ...

Bulimia nervosa is an eating disorder that typically involves cycles of bingeing and purging. When blood comes up during vomiting, it may indicate throat damage or other complications. Bulimia can ...