Healthline

High-intensity interval training (HIIT) — characterized by brief, repeated sessions of intense exercise separated by periods of rest — can be challenging for anyone.  It’s especially difficult to start a HIIT workout if you’ve been relatively inactive.   “While HIIT is time-efficient and can elicit meaningful health benefits among adults who are insufficiently active, one major drawback is that people may find it to be unpleasant,” says Matthew Stork, a […]