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 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.

Gov. Kathy Hochul of New York plans to authorize pharmacists to provide the vaccine to almost anyone who wants it without a prescription.

Health officials have recorded 28 suspected cases and 15 fatalities so far in the latest outbreak of the deadly virus, which has claimed thousands of lives in previous outbreaks in the Central African country.

During often tense exchanges, Health Secretary Robert F. Kennedy Jr. defended his positions on Covid vaccines, the Centers for Disease Control and Prevention and autism.

Two former agency leaders said the administration’s “hostility” toward vaccines had spread to the agency’s top ranks.

A survey shows employers expect a sharp increase in benefit costs for next year, and many will want workers to shoulder more of the burden.

Some Republican lawmakers have questioned whether Health Secretary Robert F. Kennedy Jr.’s recent actions contradict pledges he made about vaccine access in order to win confirmation.

Neurologists are exploring medications that would help the brain heal itself after a stroke or traumatic injury.