E-cigarettes are battery-operated devices that people use to inhale an aerosol, which typically contains nicotine flavourings and other chemicals. They have rapidly become the most favoured form of tobacco among youth in the United States. 

There is continued discussion about the safety of e-cigarettes and the link with the initiation of cigarette smoking and tobacco dependence.

Dual-use refers to the use of both cigarettes and e-cigarettes, though the precise definition varies across different pieces of research.

A recent study has sought to define a new classification of adolescent dual...

Both alcohol and tobacco use is an increasing public health concern in low- or middle-income countries. Due to an annual economic growth rate of approximately 10%, Ethiopia is a target for both the alcohol and tobacco industries.

Although data is limited, trends suggest that alcohol consumption is a particular problem among secondary school students.

A recent study, published in the Journal of Public Health, has sought to measure the prevalence of alcohol and tobacco consumption in young people living in Ethiopia, and the risk factors associated with alcohol and tobacco initiation.

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Abstract

Objective: Previous research suggests that some adolescents are using e-cigarette devices to vaporise (‘vaping’) cannabis in the form of hash oil, tetrahydrocannabinol (THC) wax or oil, or dried cannabis buds or leaves. However, it is unclear how adolescents who vape cannabis use other tobacco products. This study examined the extent to which adolescents reported ever vaping cannabis and investigated how demographic variables and tobacco behaviours were associated with use.

Design: We used cross-sectional data from adolescents (total response rate 64.5%) who participated in the 2017...