NASA and SpaceX have recovered a four-member crew from orbit following an unknown medical condition affecting one of its crew ...

Ginger also has anti-inflammatory and antioxidant properties, which may help protect against gastrointestinal irritation ...

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

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