Does aerobic exercise on a regular basis enhance aerobic fitness and reduce insulin sensitivity?
Do steroids increase endogenous testosterone? If I wanted to be a marathon runner, would i benefit from training like sprinter? how about training to improve both the short-term and long-term energy systems?
Do steroids increase endogenous testosterone? If I wanted to be a marathon runner, would i benefit from training like sprinter? how about training to improve both the short-term and long-term energy systems?