A review of a limited number of cases of unresponsive patients with severe traumatic brain injuries raised questions about a custom of making a decision within 72 hours.

The treatment is for patients with small cell lung cancer, which afflicts about 35,000 people in the U.S. a year.

In humans, the energetic cost of pregnancy is about 50,000 dietary calories — far higher than previously believed, a new study found.

A deadlier version of the infectious disease is ravaging the Democratic Republic of Congo, while the type that caused a 2022 outbreak among gay and bisexual men is regaining strength.

If spiders use their webs like a large external eardrum, researchers reasoned, perhaps spider silk could be the basis for a powerful listening device.

The decision came after a scorching hearing in which lawmakers barraged EcoHealth Alliance’s president with claims of misrepresenting work with Chinese virologists.