An incredibly addictive stimulant drug ends in an rigorous substantial even though producing you are feeling much more targeted, energized, and awake. M?th?m?h?t?m?n? n?ur?t?x???t? ??u??? ?dv?r?? ?h?ng?? ?n br??n ?tru?tur? ?nd purpose, ?u?h ?? reductions in gray m?tt?r v?lum? ?n ??v?r?l br??n r?g??n?, ?? w?ll as ?dv?r?? ?h?ng?? in m?rk?r? ?file m