UPDATED 7:01 AM EST, December 21, 2012
A federal crackdown on illicit foreign supplies of human growth hormone has failed to stop rampant misuse, and instead has driven record sales of the drug by some of the world's biggest pharmaceutical companies, an Associated Press investigation shows.
The crackdown, which began in 2006, reduced the illegal flow of unregulated supplies from China, India and Mexico.
But since then, Big Pharma has been satisfying the steady desires of U.S. users and abusers, including many who take the drug in the false hope of delaying the effects of aging.
