Don’t automatically throw out that old COVID-19 at-home test you just came across in your medicine cabinet. It might still be good, according to the U.S. Food and Drug Administration. Some over-the-counter COVID tests have had their...

Scans using lasers and ultrasound can pick up signs of a malaria infection through the skin, without the need for a blood draw, Yale researchers report. The technology, called Cytophone, could be a real boon for developing...

Onions spread on McDonald’s Quarter Pounders are the definite source of an outbreak of E. coli illness that’s now affected 90 people nationwide, new evidence from the U.S. Centers for Disease Control and Prevention shows. “Epidemiologic and...

Big surges in new autism diagnoses among young adults, as well a rise in diagnoses for girls and young women, have driven a near-tripling of U.S. autism cases in just over a decade, researchers report. Data on...

In the highest tally ever recorded for tuberculosis cases, the World Health Organization reported Tuesday that over 8 million people worldwide were diagnosed with the lung disease last year. Of that number, 1.25 million people died of...

Half of young Americans between the ages of 12 and 17 spend at least four hours each day on their smartphones, computers or televisions, a new survey shows. “As technology has become more integrated into teenagers’ lives,...

Bullying among American teens remains a big threat, with more than a third (34%) saying they’ve been bullied over the past year, new government data shows. According to the report’s authors, bullying occurs when a person is...

Find it hard to take time to exercise during your busy workweek? No problem, a new study says — one or two “weekend warrior” workouts are just as likely to help you maintain your brain health. People...

People who regularly use marijuana experience changes in their brain structure and function, but it’s not clear that cannabis is the cause, a new study finds. Researchers found specific differences in the brains of people who’d ever...

Women who enter menopause at a later age have a greater risk of asthma, a new study says. Meanwhile, early menopause is associated with a reduced risk of developing asthma, researchers found. The results run counter to...