running

Does anyone know of any studies or other authority on how many miles one can run each week (or each workout) without negatively impacting (and hopefully increasing) T levels? I know that the recommendation is to perform HIIT for a big T boost, but I'm talking about running/jogging maybe 4 miles...

Thirty plus years or so, I have been saying that running is the most overrated form of exercise on the planet, while resistance training (RT), the most underrated. At that time, there was little data to support that position and only dumb muscle heads lifted weights and those truly interested in...