The winter months, when people spend significantly less time in the sun, are typically known as “laser season” by skin experts—if you’re considering a treatment, now is a great time. “We perform laser ...

Deep in the folds of the intestine, in microscopic pockets called crypts, a quiet surveillance system is always at work. Stem cells lining the gut wall are not just rebuilding tissue—they are ...

Imagine if a nasal spray could make you immune not only to the viruses that cause COVID-19 and influenza, but to all respiratory diseases. In a paper 1 published in Science today, researchers describe ...

Mark Gurarie is a writer covering health topics, technology, music, books, and culture. He also teaches health science and research writing at George Washington University's School of Medical and ...