HIIT Training: What the Research Actually Says About High-Intensity Interval Training — The Benefits, The Limits, and Why Most People Are Using It Wrong
HIIT is everywhere. Every gym offers it. Every fitness app has a HIIT program. Every social media fitness account posts HIIT workouts. The promise is irresistible: burn more fat in less time, torch calories for hours after the session ends, get lean faster than any other training method available. Here’s what the research actually shows:










