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In the 1980s, when government lagged in its response to the disease, he solicited private support for prevention and treatment.

Scientists cannot say for certain, but new research suggests that different people's brains respond similarly when looking at a particular hue.

A looming constitutional battle between Texas and New York is the leading edge of the escalating states' rights fight over the prescribing and mailing of abortion pills to patients in states with bans.

By promoting suspicions about the institutions he oversees, critics say Robert F. Kennedy Jr. is jeopardizing public health. He says he is pursuing transparency.

Some researchers suspect that rising prescription drug use may explain a disturbing trend.

He started fighting wildfires as a teenager. After inhaling smoke on the front lines for six seasons, he faced an impossible choice.

The researcher and author Jean Twenge has a prescription for the harmful effects of screen time on children. If only parents would listen.

The upcoming U.S. Dietary Guidelines will instead be influenced by a competing study, favored by industry, which found that moderate alcohol consumption was healthy.

Studies over the last decade of acetaminophen use in pregnancy -- including a recent scientific review -- have yielded mixed results but have not found a causal connection.

He was pivotal in discovering how sound waves are converted into signals that the brain can perceive as a whisper, a symphony or a thunderclap.