Now, in a second study on ageing, there is the first evidence that "caloric restriction" has the same effect in primates.
现在，在衰老的第二次研究中，最早发现的是“热量限制”，在灵长类动物中有相同的效果。
2
Even if caloric restriction extends longevity in people as well as in mice, the extent of the effect remains unclear, though Dr. Weindruch believes the effects will be in the same general range.
And the reason is that fructose is toxic beyond its caloric equivalent, so if you consume it instead of glucose you get more of a negative effect even if the calories are the same.