(Regarding Fibroblast growth factor 21 (FGF21)) key quote: " the metabolic outcomes associated with elevated FGF21 depend on the nutritional context, differin

(Regarding Fibroblast growth factor 21 (FGF21)) key quote: " the metabolic outcomes associated with elevated FGF21 depend on the nutritional context, differing according to whether the animal is in a state of under- or overfeeding." The news article badly misinterprets the results in implying that low protein alone = high FGF21 = longevity.