As many as one in five people — an estimated 64 million in the United…

Many people use a smartwatch to monitor their cardiovascular health, often by counting the number…

The Food and Drug Administration’s top vaccine official, Dr. Peter Marks, abruptly resigned Friday, saying…

The American Psychological Association, which sets standards for professional training in mental health, has voted…

A steadfast figure in the anti-vaccine movement who has helped shape Health Secretary Robert F.…

A New York county clerk on Thursday blocked Texas from filing a legal action against…