https://www.statista.com/statistics/826443/marijuana-use-among-college-students-us/
https://www.drugabuse.gov/drug-topics/trends-statistics/infographics/drug-alcohol-use-in-college-age-adults-in-2018
https://www.ashleytreatment.org/college-student-drug-use-statistics/
人是一种没出息的动物。。缺乏天生的自治力。 美国大学生吸大麻的非常普遍，有相当比例是每天的。别的毒品也不少。当然比同年龄不上大学的还是好多了。https://www.statista.com/statistics/826443/marijuana-use-among-college-students-us/
https://www.drugabuse.gov/drug-topics/trends-statistics/infographics/drug-alcohol-use-in-college-age-adults-in-2018
https://www.ashleytreatment.org/college-student-drug-use-statistics/