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mitochondria

High-load resistance training has always been linked to greater muscular power and strength, while low-load training can lead to greater muscular endurance.
A lot of men tend to agree with the statement that "things go downhill after 35." What if there were a pill for that?
HIIT workouts can lead to improvements at a cellular level that may end up holding back the effects of aging.
Researchers have discovered energy production in muscles is a function of the quality of the mitochondria that power the cells.