A multi-million dollar business that is kept alive by unscrupulous physicians:

In Internet chat rooms, people exploiting the rules often discuss the laws and assure one another that it’s OK to break them. They think they’ve got the system wired, and they’re usually clueless — or don’t care — that the doctor doling out the prescriptions is someone like Santi.

The drugs arrive at their doorsteps via express couriers. For steroid users, the packages often come loaded with vials of high-potency and dangerous testosterone products, bundles of syringes and no instructions. Infections are common. Users routinely suffer irreparable harm to their organs while exhibiting noticeable side effects, such as back acne, fits of rage and expanding skulls.