What Steroids Do to the Body
17:10
What Creatine Does to the Body
10:53
Testosterone Crisis? Why Male Testosterone is Lower Than Ever
17:50
Strength vs Hypertrophy: The Science of How to Build Muscle
15:15
What Happens To Your Body on Steroids
20:19
The Science of Hydration: How Much Water You Really Need
11:56
I Investigated the Teen Steroid Epidemic...
15:09
Everything Testosterone Does to Men (And a Little Bit to Women...)
14:19