This is one of the key findings of the annual National Survey on Drug Use and Health (NSDUH) conducted by the Substance Abuse and Mental Health Services Administration (SAMHSA).

这是由毒品滥用和精神健康服务管理局（SAMHSA）举办的全国药物使用和健康的年度调查（NSDUH）的重要成果之一。

youdao

My research (here) has explored why the NHIS and NSDUH estimates are so divergent.

FORBES: Are Federal Taxes Driving Smokers to Stop Lighting Up?

They use the higher NSDUH numbers to argue for even more onerous anti-tobacco measures.

FORBES: Are Federal Taxes Driving Smokers to Stop Lighting Up?

National statistics on smoking are provided by two federal surveys, the National Health Interview Survey (NHIS) and the National Survey on Drug Use and Health (NSDUH).

FORBES: Are Federal Taxes Driving Smokers to Stop Lighting Up?