Reports are emerging of black rain falling over parts of Iran in the hours after US-Israeli airstrikes on oil depots on the weekend, with some outlets describing it as “acid rain”. Iranian residents ...

Acid reflux happens when stomach contents flow back into the esophagus. Eating smaller meals helps prevent acid reflux symptoms. Avoiding smoking may decrease acid reflux frequency. Acid reflux, or ...

Jani Hall is a news editor for Health with a background in health and science journalism. Previously, she worked as a staff reporter for National Geographic. William Truswell, MD, FACS, operates his ...

During World War II, the governments of the United States and the United Kingdom approached the largest U.S. chemical and pharmaceutical companies to enlist them in the race to mass produce penicillin ...