Tobacco (TOB) and marijuana (MJ) are the most widely used drugs among adolescents and
young adults. The literature on their co-use, however, has not been systematically reviewed …

Aims A growing literature has documented the substantial prevalence of and putative
mechanisms underlying co‐occurring (ie concurrent or simultaneous) cannabis and tobacco …

Background As marijuana legalization and acceptability increase in the US, it is important to
understand the potential impact on tobacco use. Accordingly, we assessed prevalence …

Combat exposure is associated with increased rates of mental health problems such as post-
traumatic stress disorder, depression, and anxiety when Soldiers return home. Another …

Accurate and reliable measurements of exposure to tobacco products are essential for
identifying and confirming patterns of tobacco product use and for assessing their potential …

Introduction Despite increasing use of cannabis, it is unclear how cannabis use is related to
cigarette transitions. This study examined cannabis use and smoking initiation, persistence …

Background Several gaps in the literature on individuals with co-occurring cannabis and
tobacco use exist, including the extent of psychiatric, psychosocial, and physical health …

BACKGROUND: While it has been demonstrated that smoking cigarettes in adolescence
increases the likelihood of progressing to marijuana use, few studies have considered the …

Introduction: This study assessed differences in individual tobacco product use between
past month marijuana users and nonusers, and trends in overall tobacco use and use of …

Aims To estimate the impact of recreational and medical cannabis laws (RCL, MCL) on the
use of cannabis and cigarettes in the United States. Design A difference‐in‐difference …