Caloric Restriction - Calories need to be moderately reduced

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Caloric Restriction - Calories need to be moderately reduced

Postby Canuck Singh » Wed Oct 01, 2008 10:18 pm

A lot of research in recent times has demonstrated that low-calorie diets promote a longer, healthier lifespan. However, these benefits have been achieved by a severe restriction (25% or more) of total calorie intake. This type of eating plan is tough for anyone to follow on a prolonged basis.

However, the results of a recent study suggest you can obtain similar health and longevity benefits by following a diet of moderate calorie-restriction (calorie intake reduced by 12.5%) combined with exercise. Exercise increases calorie expenditure usually by around by 12.5%. Therefore, this combination of moderate calorie-restriction and exercise will provide similar but healthier fat loss as severe low-calorie diets.

The markers of anti-ageing or longevity that were improved by the moderate calorie-restriction and exercise plan included; reduced fasting insulin levels, lower core body temperature and a reduction in DNA damage. Simply by reducing calorie intake by around 10% and sticking to an exercise program will not only shed fat, it will promote some benefits thought to slow the ageing process.

Source: Journal of the American Medical Association 295;1539-1548, 2006
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Re: Caloric Restriction - Calories need to be moderately reduced

Postby Canuck Singh » Wed Nov 12, 2008 7:58 pm

it is quite clear from research that consuming too many calories actually shortens life span Since the 1930s, numerous animal studies have found that when food intake is restricted by 30-60% the average life span and maximal life span increases by 30-60%. However, in all these studies, the extension of life span was dependent on avoidance of malnutrition. Some of the researchers behind this work suggest excessive calorie intake increases free radical production. This increases cell membrane, tissue and DNA damage and this causes accelerate aging. A recent study involving humans* indicates that reduced calorie intake while still providing all nutrients, actually protects the body from certain types of diseases
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