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Could caloric restriction or just possibly consuming the recommended portion of food, really be the key to a longer, disease free life? Well, this seems to be the case for our closest primitive relative, the rhesus monkey. An update in the July 10th publication of the research journal Science, has demonstrated a significant slowing in the aging process of monkeys following calorie-restricted diets. The lean-diet-extended-life phenomenon was first confirmed in lab rats in 1935. The connection caused quite a stir and resulted in a variety of studies exploring the issue. Rodents, yeasts and ringworms were studied, and specifically calorie-restricted rodents demonstrated a 20 to 80 percent increase in lifespan. Due to numerous variations in the subjects studied, scientists could not justifiably apply the results to humans - a common roadblock in animal and fungi lab studies.
A research team from the University of Wisconsin has been studying a troop of rhesus monkeys for the past 20 years. Seventy six monkeys were included in the study, half were allowed to consume food at their leisure, and the other half were restricted to 30 percent less food. In order to avoid malnutrition, the calorie-restricted group was also administered vitamin and mineral supplements. The average lifespan of the rhesus monkey is 27 as compared to the average American, whose life expectancy is approximately 78.
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