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Researchers hope their findings could help inform future therapies for people with severe autism.

Six employees at Frankfurt Airport were infected this summer, according to German health officials and the airport's operator. Four recovered.

In "The Anxious Generation," the sociologist laid out the evils of social media for kids. The landmark Meta settlement seems to agree.

Companies are testing dozens of similar drugs in cancers of the pancreas, lung, colon and more.

In a key clinical trial, patients who got the pill, daraxonrasib, lived twice as long as those who got chemotherapy.

Many families are engaged in tense debates after a new study found a high percentage of N.F.L. players had developed degenerative brain disease.

Participants, often in vulnerable states, have little recourse if mistreated or injured.

The actual prevalence, researchers said, may be much higher.

Five decades after the "war on drugs" sought to make substance abuse unaffordable, illicit drugs are cheaper and more powerful than ever. A visit to Baltimore shows why.

The "war on drugs" sought to reduce substance abuse by driving up prices and lowering demand. Today, street drugs are less expensive and more dangerous than ever.