Dieting, not exercise alone, key to weight loss

London: A study has found that overweight people who believe exercise alone can make them thin are living under an illusion because only serious, long-term dieting can lead to significant weight loss.

The belief that exercise can be used to fight the obesity epidemic is wrong because it would require inordinate amounts of heavy physical training over long periods of time to have any significant impact on a person`s weight, scientists said.

"The evidence is that exercise is not sufficient to reverse the obesity epidemic. The only way we`re going to reverse it is to reduce the amount of food intake,” the Independent quoted professor John Speakman of the University of Aberdeen as saying.

One in five people in Britain are classed as clinically obese and 61 percent of the population is overweight.

Professor Speakman said popular ideas about obesity are wrong because studies have shown that levels of physical activity have not changed over the past 25 years, while obesity rates have risen dramatically.


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