Modern weight loss medications have transformed obesity treatment, helping many people lose significant amounts of weight. But these drugs often come with an important drawback: They can also reduce muscle mass. Now, researchers have uncovered a biological mechanism that may…

Vast crowds of Iranians loyal to the Islamic Republic have gathered in Tehran for the first day of funeral ceremonies for the country’s former supreme leader. Ayatollah Ali Khamenei was killed in joint US-Israeli airstrikes at the start of the…

It was clear from the jump that the Dallas Cowboys were going to aggressively reshape their defensive secondary this offseason. A lot of that came down to overhauling the safety room, but the Cowboys front office also made several key…