wasnt talking about oxy but now that you mention it, if you take amphetamine as soon as you feel like you're getting a cold, it blasts it right the fuck out of your system, because your body's metabolism, circulatory system, immune system, everything goes into overdrive
imagine a bunch of little dudes inside you in the engine room shoveling coal into the furnace as fast as they can, "SHE NEEDS MORE CAPTAIN!!!!"