The Intensity Revolution: How a Little Effort Can Go a Long Way in Exercise The notion that exercise has to be a grueling, hours long affair is being debunked by science.
A growing body of research suggests that even short bursts of high intensity activity can have a profound impact on our health, far more than the sheer volume of time spent at the gym.
One such study from the Norwegian University of Science and Technology has made headlines with its findings: just 30 minutes of exercise per week can dramatically improve cardiovascular fitness, lower disease risk, and even protect against cognitive decline.