A reduction in calorific intake in non-obese people has shown a marked decrease in oxidative damage to muscle cells according to a study by Anthony Civitarese, Eric Ravussin and their colleagues at the Pennington Biomedical Research Centre. It’s now believed that such oxidative damage can be linked to aging and this could explain why reducing calorie intake safely can help us to live longer.
It’s amazing how the body can copy with a reduction in calories and when you do it the right way you can boost your metabolism, feel fitter than ever before, sleep well and gain a full appreciation of food and the energy it provides. A safe calorie-restricted diet provides all the nourishment and nutrients required to live life to the full. A study on mice showed a delay in the onset of age-related diseases such as heart disease, cancers and strokes. Those who overeat are most likely to develop these illnesses than those who restrict their calorie intake.
So, how would reducing calorie intake slow the signs and effects of aging? Well, a major player in age-related disease is the accumulation of oxidative damage. Often referred to as free radicals, these oxidants are often produced when food we eat is converted into energy. One theory about calorific reduction is that it lowers the amount of free radicals produced.
Civitarese and colleagues enrolled 36 healthy overweight but non-obese young people into their study. One third of these people received 100% of their energy requirements whilst the caloric restriction group were given a diet reduced by 25% of their energy requirement. A further group, the caloric restriction plus exercise group had their calorie intake reduced by 12.5% and their energy expenditure increased by 12.5%. It was found that the free radical levels in both caloric reduced groups were reduced and that DNA damage was also greatly reduced as a result.
These results suggest that even when caloric reduction is carried out on a short-term basis this type of diet can produce beneficial physiological changes which results in improved overall health.
These findings suggest as we have long known that losing weight is good for the body and that by eating little and often and keeping an eye on diet you can really improve your health. It’s all about what you eat and how much of it you eat. Moderate regular exercise will ensure that you are doing all you can to protect your body from the signs of aging.
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