A major lawsuit against Meta has placed a spotlight on our fraught relationship with online social information. NYT > Health

Over the last two decades, medical facilities and staff have become casualties of war more frequently, in violation of international law. NYT > Health

In some patients, remnants of the coronavirus in the gut may stifle production of serotonin, an important neurotransmitter, researchers suggest. NYT > Health

The dye was banned in cosmetics after a study suggested it might be a carcinogen. Yet federal regulations still permit its use in foods, stoking concerns that helped build...

While a narrative emerged that the pandemic indiscriminately struck the young and healthy, new evidence suggests that frail young adults were most vulnerable. NYT > Health

Tens of millions of Americans are struggling to cope with soaring temperatures. OSHA is developing new workplace safety standards, but they are not yet complete. NYT > Health

The physiology or medicine prize for Katalin Karikó and Drew Weissman recognized work that led to the development of vaccines that were administered to billions around the world. NYT...

Applicants have challenged the Peace Corps practice of rescinding invitations to applicants on the basis of mental health conditions. NYT > Health

The first patient to receive such an organ died after two months. “At least now I have hope,” the second recipient said before the surgery. NYT > Health

As oceans warm, pathogenic bacteria are turning up more frequently in northern regions, scientists say. NYT > Health