it's not only in the realm of drugs this fact applies but also in other commodity products such as shampoo, toothpaste, soap, etc...
it's sad mankind easily succumbs to greed.
hey, can anyone tell me if Dr. Mercola is a quack doctor? he, more or less, bad mouth other products then sells his own which is costly and supposedly has "natural" formulations. this makes me skeptical of his true intentions.
although, he does help us realize things we weren't yet aware of.