Thursday 11 April 2013

Exercise works better than reducing calories when losing weight



Exercising is a more efficient way to lose weight than reducing calorie alone, according to a new research recently published in the online edition of the Journal of Applied Physiology.

Researchers from St. Louis University's Doisy College of Health Sciences enrolled 34 individuals between the ages of 50 and 60, who were either overweight or toward the high end of normal weight. The members were split into two groups -- the first number of 18 was put on an diet, while the second number of 16 exercised.

The diet team decreased their total calorie intake by 16 % per day for the first months of the research. For the final nine months, the individuals decreased their calorie intake by 20 %.

The second team worked out to get rid of 16 % of their calorie intake per day for the first three months, then increased their workouts to burn 20 % of their 
calories for the final nine months.

By the study's end, both groups lost roughly 9 to 10 % of their weight. 
However, the scientists found that the members of the diets team lost muscle mass during their weight-loss, while the exercising team did not.

"If push comes to shove and somebody wants to know if they should diet or work out to lose weight, I would suggest exercise, provided they are willing to put in the extra time and not offset the gains they make by eating more," said Edward Weiss, the study's lead author.

Though the most effective weight-loss strategy is to combine exercise and diet, the scientists highlighted that individuals who only work out to lose weight are missing out on some unique benefits of calorie restriction.

"It's important that dieting not be seen as a bad thing because it provides enormous advantages with respect to reducing the risk of disease and is efficient for weight-loss," Weiss said. "Furthermore, based on studies in rodents, there is a possibility that calorie restriction provides advantages that cannot be achieved through exercise-induced weight-loss."


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