It’s natural for anyone trying to lose weight to want to lose it very quickly. But evidence shows that people who lose weight gradually and steadily (about 1 to 2 pounds per week) are more successful at keeping weight off. Healthy weight loss isn’t just about a “diet” or “program”. It’s about an ongoing lifestyle that includes long-term changes in daily eating and exercise habits.
Still, it remains to be seen whether Stevens has unusual willpower or whether his idea can be translated to the masses. "Not everyone has the resolve he came to," said Laura Concannon, medical director of the bariatrics program at Illinois Masonic Medical Center, who recommends Stevens' book to overweight patients. "I think he just hit bottom, and not everyone in my practice has hit bottom. If they have, they'll do well with the approach. But they have to be ready and committed to make the change."
A 2014 Harvard study found that men who did twenty minutes of daily weight training had less of an increase in age-related abdominal fat compared with men who spent the same amount of time doing aerobic activities, and other studies have shown similar levels of success when guys hit the gym to cut down on fat. The implication: Guys can cut belly fat most efficiently with weight training.