Numerous subsequent studies have confirmed that a
calorie restriction of 30 to 60 percent of ad libitum
intake increases the life span by similar amounts in a range of organisms including yeast, roundworms and rodents, while
simultaneously decreasing or delaying the occurrence of age related diseases such as numerous cancers (including lymphomas, breast and prostate cancers), hypertension, stroke, diabetes, nephropathy, autoimmune disorders and other risks factors for cardiovascular disease (3,4).