Methamphetamine, or meth, is a stimulant drug that hastens The body’s central nervous system. It boosts dopamine, that's a Mind chemical that performs a part in movement and motivation. Dopamine also sends a sign that informs you to repeat behaviors that make you really feel excellent.Au?tr?l??n ?u?t?m? ?r? ?? t?ght ?n ?u?h a w?? th?t ?f ??u ?r?