Last week, I was about to go on a date, and because I'm severely immunocompromised, we agreed he would take a COVID test using one of my rapid home PCR tests. It was a courtesy—he felt perfectly fine— ...

Boxing chiefs on Friday pledged to redouble efforts to get their message across about newly introduced genetic sex tests ...

As climate change and human activity threaten freshwater ecosystems like lakes and rivers, it's more important than ever to ...

The French women's team have been barred from the boxing world championships because the results of their gender tests were ...

Five French women boxers will miss the world championships starting on Thursday in England because of complications with new sex tests that are compulsory after a furor at the 2024 Paris Olympics.

Amid the uncertainty surrounding eligibility for and access to the latest Covid-19 vaccine, a new study has found that a ...

Researchers at Aarhus University have now developed a method that works like a “DNA test of the soil,” showing how much root ...

A common nasal spray may lower the risk of getting Covid-19, a new study shows. Dr. Leana Wen discusses what this all means ...

Managing Back-to-School Respiratory Infections In late summer, tens of millions of children throughout the United States return to school, sharing tales of their summer adventures and, inevitably, new ...