Which of the following is a finding from studies of diet restriction in rats?

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Studies have shown that energy-restricted diets in rats lead to lowering of the metabolic rate and body temperature. This suggests that the rats conserve energy and slow down physiological processes to adapt to the decreased food intake. Restriction of specific nutrients has not been found to exert antiaging effects, and while energy-restricted diets may lead to life extension in some rats, it is not as high as 90%. Restriction of food intake only after rats reached maturity may not have significant effects on lifespan. While early research was promising, more recent research still suggests that diet restriction can lead to positive health outcomes and longevity, but the effects may not be as dramatic as initially hoped.

Which of the Following Is a Finding from Studies of Diet