Prior to an athletic competition, a man’s testosterone level will increase as they get ready to “do battle”. Interestingly, those levels increase or decrease depending on their fortunes during the game. In this video, two evenly matched rugby teams had their T levels tested before, during and after their match. (Hint, the winning team had more).

In another video, powerlifter Kieran Kidder talks about his steroid use which he believes are “widely misunderstood”. You decide. The animation on muscle growth is interesting.

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