Why Your Wrist Now Knows More About Your Recovery Than You Do For years you could wear a smartwatch and...

Why VR Fitness Is Suddenly Being Reconsidered For a few years virtual reality fitness felt like the inevitable future of...

Tracking what you eat is one of the most reliable ways to understand your body, manage your weight, and build...

Your calendar age is simple. It counts every trip around the sun since you were born, and it never waits...

Why everyone is suddenly asking if AI can replace your trainer Every year brings another round of speculation about which...

Imagine starting a strength workout with a plan for ten repetitions per set, then discovering partway through that the weight...

Every modern smartwatch proudly displays a number after your workout that claims to be the calories you burned. That number...

Losing weight is usually framed as one number: calories. Cut them low enough and the scale moves, so the thinking...

Personal training used to be a very simple bargain. You paid a human coach for their knowledge, their attention, and...

Most people picture an AI fitness app as a magical coach that simply knows what to do with no effort...