EAMON Sullivan breaks 50 LCM FREE WR again in 21.28

That's how anabolic steroids work. The net result of being able to train harder is that you grow bigger muscles. True, both anabolic steroids and human growth hormone (mediated by insulin-like growth factor) promote muscle growth. But the ability to train harder (and more often) may confer advantages beyond growing bigger muscles. When Popov's record isn't just broken but shattered, and the result is attributed to advances in technique and training, it is appropriate to be a bit skeptical. Unless, of course, you have just awakened from a coma and are unaware of the current epidemic of PED use among modern athletes.

That's how anabolic steroids work. The net result of being able to train harder is that you grow bigger muscles. True, both anabolic steroids and human growth hormone (mediated by insulin-like growth factor) promote muscle growth. But the ability to train harder (and more often) may confer advantages beyond growing bigger muscles. When Popov's record isn't just broken but shattered, and the result is attributed to advances in technique and training, it is appropriate to be a bit skeptical. Unless, of course, you have just awakened from a coma and are unaware of the current epidemic of PED use among modern athletes.