By Unknown Jumat, 01 September 2017 aging aging muscle build muscle elderly health healthy aging HRT mens health muscle health sarcopenia testosterone TRT The Effect of Testosterone With / Without Training on Size, Morphology, Neuronal Wiring of Elderly Muscle (Rat Model) How do youthful+ (probably slightly above range) levels of testosterone affect muscle size, strength, and morphology as we age? That's m...