Author: Tom Brownlee, Associate Professor, Sport and Exercise Science, University of Birmingham

Imagine if your smartwatch didn’t just tell you how many steps you’ve walked or calories you’ve burned, but how many heartbeats you’ve “spent” each day. According to a recent study, that number might one day become another marker of health – a “heartbeat budget” that could, in theory, tell you if you’re overspending your most […]

It can look almost too easy: athletes gliding along on a bike, runners shuffling at a pace slower than most people’s warm-up, or someone strolling so gently it barely seems like exercise at all. Yet this kind of effortless movement is at the heart of what’s becoming known as zone zero exercise. The idea runs […]