Use of blockbuster anti-obesity drugs like Wegovy and Zepbound is growing, with about 1 in 8 adults in the U.S. saying they currently take the medications. But experts say the drugs alone aren't the answer. It takes lifestyle changes, too, including a healthy…

• JoNel Aleccia
• Associated Press

A specific microbe found in the human gut appears to be able to boost muscle strength, new research suggests.

• Russell McLendon
• ScienceAlert

Nighttime caffeine increased impulsive behavior in fruit flies, with stronger effects in females and potential implications for night-shift workers.

• SciTechDaily

As the body ages, subtle hormonal shifts begin to reshape where fat is stored, with important consequences for long-term health.

• SciTechDaily