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).