DIET OR EXERCISE?
You may have heard of the “calorie restriction movement,” based on animal studies that indicate cutting your calorie intake by 20 percent could reduce your risk of disease and even help increase your lifespan by 20 percent. Despite the fact that researchers don’t yet know whether calorie restriction will work for humans, this form of dieting is gaining popularity.
But there is a downside to extreme dieting: If you diet and don’t also exercise, you’ll lose muscle mass and fitness.
In a study published in the Journal of Applied Physiology, healthy men and women between 50 and 60 years of age went on a one-year weight-loss program. One group lost weight through diet only (calorie restriction), while the other group lost weight through exercise (just cardio - no strength training). Both groups lost a similar amount of weight. However, while the exercise group increased their fitness levels, the diet group lost lower-body strength and muscle and cardiovascular fitness.
Obviously, the best choice for a fat-loss program is a combination of diet and exercise. So don’t just starve yourself thin. Focus on healthy eating, interval training, and total-body strength training to build the health and fitness you need as you grow older.
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July 7th, 2009 at 7:17 am
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May 6th, 2010 at 3:56 pm
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June 17th, 2010 at 8:37 am
Calorie Restriction really helps in avoiding some diseases like diabetes and heart disease.`,.