#Coronavirus — Click Here for the Latest Continuing Coverage

Tests like the one approved this week can show who is likely to be immune, but it’s not yet clear how long such immunity lasts.

Younger women who put on pounds may gain protection against breast cancer, but after menopause, weight gain increases risk.

Children who don’t get enough sleep are more likely to suffer from psychiatric disorders, such as anxiety, depression and ADHD.

Men who have sex with men can donate blood and plasma if they’ve abstained from sex for three months, instead of a year.

This finding, which is in keeping with initial studies out of China and Italy, is preliminary as the CDC continues to gather data.

The largest manufacturer makes one out of five condoms globally. It had to shut down production.

A daily hot bath may help prevent cardiovascular disease and stroke.

Watch an inspiring video that highlights her work—and her quest to become a citizen.

A session at CROI 2020 focused on HIV prevalence and outcomes in these understudied populations.

Jevon Martin, CEO of Princess Janae Place, addresses the challenges facing trans people—including COVID-19.