It's been a stressful year, and for 61% of US adults, a year of unwanted weight change too. This isn't surprising, as stress, eating and motivation are all linked through hormones in the brain.

The high cost and long lead times for building computer chip factories makes it difficult for the U.S. to reverse the steady decline of its domestic semiconductor manufacturing capacity.

Weed, though far less dangerous than many other drugs, is not entirely without risk. Some 59% of people treating pain with medical cannabis experience moderate to severe withdrawal symptoms

The COVID-19 pandemic has shined a spotlight on another US medical emergency: a serious shortage of nurses.

Health statisticians keep careful tabs on how many people die every week. Based on what's happened in past years, they know what to expect – but 2020 death counts are surging beyond predictions.

School nurses were already overwhelmed, with hundreds of students and staff in their charge. Now, COVID-19 screenings and testing have become their priority.

Health statisticians keep careful tabs on how many people die every week. Based on what's happened in past years, they know what to expect – but 2020 death counts are surging beyond predictions.

Hundreds of organizations are working around the world to restore damaged coral reefs. New research shows that rapid ocean warming threatens these efforts.

The United States has 53 million caregivers, according to the latest estimate. And COVID-19 makes what they do much harder.