<p>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," presc<x>ription 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...</p>