For the first time in history, daily marijuana use has surpassed daily cigarette smoking. Smart Approaches to Marijuana reported that there were “21.4 million daily marijuana users compared with 19.9 million daily cigarette smokers.” Past year substance use disorder, alcohol use disorder and drug use disorder. Past year major depressive episode, major depressive episode with severe impairment, co-occurring major depressive episode and substance use disorder, co-occurring major depressive episode with severe impairment and substance use disorder. Past year major depressive episode, major depressive episode with severe impairment, co-occurring major depressive episode and substance use disorder, co-occurring major depressive episode with severe impairment and co-occurring substance use disorder, any mental illness, serious mental illness, co-occurring any mental illness and substance use disorder and co-occurring serious mental illness and substance use disorder.