药瘾如魔，吞噬心灵，痛苦无尽。九色腾只为高清而

　　The pressure to achieve more, do more, and be more is part of being human - and in the age of Adderall and Ritalin, achieving that can be as close as the local pharmacy. No longer just "a cure for excitable kids," prescription stimulants are in college classrooms, on Wall Street, in Silicon Valley...any place "the need to succeed" slams into "not enough hours in the day." But t... (展开全部)