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Caloric Restriction
When it comes to anti aging, one of the hottest topics at the moment is regarding Calorie restriction. Currently, it is the only thing which has been effectively proved to restrict the calories that are consumed by an individual. Many species have been used to test out this theory such as mice, dogs, pigs among others. However, the magic question that everyone has to really ask themselves is whether such a type of Caloric Restriction can actually be effective in increasing the life span of humans.
The fact that the lifespan of humans is very long means that it is virtually impossible to be able to effectively study how it increases it. The only way that it can be done is to actually study the effectiveness of various tests on primates. Since they are the closest to biological and hormonal systems, if calorie restriction actually helped in increasing their life span, then it most probably would also work on humans.
Various researchers at the University of Wisconsin-Madison recently published findings of their 20 year study in an issue of Science. Their study found that Calorie restriction was capable of preventing diseases like cancer, Alzheimer's, cardiovascular disease, obesity and also increasing the life span. To effectively carry out the various effects of calorie restriction, the scientists placed 76 monkeys into two groups. While the first group was made to consume all the food that it wanted, the second was only given a very strict diet consisting of fewer than 28% calories than the first. Over a particular period of time, the group of animals that was fed the strict diet still managed to survive whereas in the other group only 50% lived. There was even an increase in the number of Cardiovascular and cancer problems in the group that had an unrestricted caloric intake.