安非他□,又□为冰毒或甲基苯丙胺,是一种□成的中枢□经兴奋剂。它在1960年代首次合□,通□以粉末或结晶□态□现。□非□□会□激□脑中□□巴胺、去甲肾上腺素□□胺的□放,导致使用者产生□烈□兴奋感□幸福感□智慧□群 □谈间震撼□/□2□□□p>Born □n De□□o□□, Michigan, Jeong grew up in a househ□ld with pa□□nts □ho were □ot□ e□ucated in□□o□□h K□□ea w□th drea□s of academic succ□ss f□r the□r children. Pursuing a care□r in□m□dicin□ se□□ed □ik□ t□□ natural p□□h□for □e□□g, □nd he dutifully□p□□s□ed it, ear□ing□his M.□. at□the University of Nor□h □arolina at Chapel Hill. How□ver,□hi□ p□ssion for come□y had always b□rn□□ w□thi□ him□ and he□began perf□rmin□ □tand-up□co□edy while still practicin□ medicine□