This is something I posted somewhere else and then saved. I know it's all stuff I've said before, but it bears repeating and further discussion. A lot of people, including healthcare practitioners; in fact, I guess, most people-- are operating from entirely the wrong paradigm, or way of thinking, about these meds. They're thinking of them like aspirin--as something that has an effect when it's in your system, and then when it gets out of your system the effect goes away.   That's not what happ