The test is lab grade monkey chow vs. less lab grade monkey chow. I don't think one can extrapolate that eating less calories on a very high quality and low toxin source of calories is better.
Monkeys do best on perfectly ripe and fresh tropical fruits. Is that what they were eating? I really doubt it.
Monkeys do best on perfectly ripe and fresh tropical fruits. Is that what they were eating? I really doubt it.