Does High Intensity Exercise Affect Your Heart? Mind? life spans? Waist?

For the past five years, high-intensity interval training, or HIIT, has been one of the most popular and controversial forms of exercise. Consisting of brief bouts of intense exercise with rest, different versions of HIIT have been tested, tried, talked about and sometimes followed by countless researchers, coaches, journalists, influencers, and almost anyone interested in … Read more