Prime Journal

A few light-touch habits can help keep your body's metabolism on track, so you can breeze through winter feeling warm and light.

Active in your 40s or 50s and noticing your body isn't responding like it used to? Here's the science behind the midlife performance gap — and how to close it.

Somewhere between bodybuilding supplements and “aging support” pills, active adults in their 40s and 50s have been overlooked. Many products assume energy loss, muscle decline, and slower recovery are inevitable with age—but science tells a different story.