Growth hormone is known as a “fountain of youth” in the anti-aging community because it helps build muscle and burn body fat. But research has shown that people who are overweight tend to have lower growth hormone levels.

Exercise is a proven way to boost those levels. However, most overweight individuals can’t do the 30 minutes of continuous exercise that it takes. So researchers from the University of Virginia wanted to see what would happen if they split their subjects’ workouts into shorter sessions.

The researchers had their subjects do either 30 minutes of continuous exercise or three 10-minute sessions, at the same intensity, spread out over the course of the day. Both groups achieved similar growth hormone levels, which led the researchers to conclude that the “split workout” would work just as well as continuous exercise.These results aren’t just good news for obese folks who can’t handle 30 minutes of exercise at a time. They also offer relief to busy men and women who have a better chance of finding time for three short exercise sessions instead of one long one.For maximum body-transformation results, I recommend one 10-minute session each of strength training, interval training, and bodyweight exercises. This will help you build muscle, burn fat, and improve your mobility.

[Ed. Note: Building muscle and burning fat doesn’t have to take hours of work. Fitness expert Craig Ballantyne has put together a Turbulence Training program that can help you get fit in three 45-minute workouts a week.]

Craig Ballantyne

Craig Ballantyne is the author of The Perfect Day Formula: How to Own the Day and Control Your Life. Craig has been a contributor to Men's Health magazine for over 17 years. Today he teaches his gift to high-performing entrepreneurs how to squeeze more out of their days, increase their income, and make more quality time for their families in his Perfect Life Workshop and Work-Life Mastery programs. Craig used his own advice to overcome crippling anxiety attacks in 2006, and he'll teach you his 5 Pillars of Success so you can increase your income, decrease your work time, and live the life of your dreams. Learn more about Craig at

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