Chronic fatigue syndrome. Read the latest research news on chronic fatigue syndrome (CFS).

New research into what ancient humans ate hundreds of thousands of years ago challenges one of the main ideas behind today’s popular paleo (Paleolithic) diet.

An estimated 10-15 percent of American adults suffer from irritable bowel syndrome (IBS). Proper diagnosis from a medical professional is important for getting effective treatment and relief.

‘Havana syndrome’ investigator on accusing Russia of targeting U.S. officials For the last decade, American diplomatic, law enforcement and intelligence personnel have suffered grievous ...