>>98,101
But keep in mind that the issue of medicine is typically not the same as it is in software, therefore one should be so eager to use software ideals and apply it on medicine.
Knowing the chemical makeup a substance is one thing (I presume the patents regard the chemical makeup, I might be wrong), but do you necessarily know what effects it will have upon your body?
I would not use any drug that it's illegal to find the chemical structure of it, but I would also not use any drug that makes it illegal to research what effects it has upon the human body.