Surgery beats targeted radiation for early-stage lung cancer. In a new trial, people who had their cancer surgically removed had a 71% five-year survival rate, compared with 56% for patients who were good surgical candidates but chose radiation therapy instead. Read more

International group of health experts raise alarm about dangers of AI. The group, which included representatives from the U.S. and four other countries, is calling for a halt on AI research and development until regulations are in place. Read more

Overweight boys may grow up to be less fertile men. The results of a new study dovetail with other research that points to a drop in sperm counts as obesity has surged. Read more