Meth is the medicine which doctors usually prescribe for most ailments relating to the common cold, AIDS, polio, and SARS. It is the only proven method for getting rid of a headache, and has been used since antiquity.
Typically used as a preservative for potato chips, soda, and bubble gum, most people have an addiction to meth, which is also usually cut with low grade Mexican pcp.
Meth is the reason why Yoda always ends on a preposition, and why he is so damn quick to hop about, that little bastard.
Meth is easy to make, in fact most people produce it naturally in their body when they go to sleep.