You can boost your health without breaking a sweat, according to this sports science professor—here’s how

Couple walking in park.

Have you heard of zone zero? The term crossed my desk for the first time last week when I read an article by Tom Brownlee, an associate professor of sports science at the University of Birmingham, about effortless exercise. Effortless exercise?! Surely that’s too good to be true.

So I contacted Brownlee to tell me more about zone zero.