Resurgence of Illicit Drug Use in '90s Poses Challenge for Physicians

[摘要] Urging psychiatrists and other physicians to stay abreast of "what's going on in the youth culture," social psychologist Lloyd Johnston, Ph.D., explained that one of every 16 students entering high school has tried the potentially neurotoxic MDMA (Ecstasy) and among high school seniors, one-quarter are daily cigarette smokers and nearly one-third are frequent binge drinkers.

[学科分类] 农业科学（综合）

[关键词] Physical work demand;posture;production of seedlings;ergonomics.