Alcohol and Cannabis Use and the Developing Brain

Lees, B., Debenham, J., & Squeglia, L. M. (2021). Alcohol and Cannabis Use and the Developing Brain. Alcohol, 41(1).

Purpose of Review

Alcohol and cannabis are the most commonly used substances during adolescence and are typically initiated during this sensitive neurodevelopmental period.

The aim of this review is to provide an overview of the most recent literature focused on understanding how these substances affect the developing brain.


The effects of alcohol use include:

Adolescent drug use before and during U.S. national COVID-19 social distancing policies

Miech, R., Patrick, M. E., Keyes, K., O’Malley, P. M., & Johnston, L. (2021). Adolescent Drug Use Before and During US National COVID-19 Social Distancing Policies. Drug and Alcohol Dependence, 108822.

During the COVID-19 pandemic, countries around the world have introduced lockdown restrictions and social distancing measures to reduce the spread of the virus. Researchers are keen to understand how these policies and new measures have influenced drinking behaviours within particular groups.

Association between Tobacco Consumption and Problematic Internet Use and the Practice of Physical Activity in Spanish Adolescents

Villanueva-Blasco, V. J., García-Soidán, J. L., Isorna Folgar, M., & Arufe Giráldez, V. (2021). Association between Tobacco Consumption and Problematic Internet Use and the Practice of Physical Activity in Spanish Adolescents. International Journal of Environmental Research and Public Health, 18(10), 5464.


The practice of physical activity is a healthy habit that offers health benefits. In contrast, the lack thereof may be associated with an increase in diseases, even at an early age.

The objective of this study was to analyze the association between unhealthy behaviours, such as tobacco consumption and problematic internet use, and the practice of physical activity in adolescents.

Webinar: 'Adolescent Social Isolation and Loneliness'

Washington DC, United States,

Being socially disconnected or perceiving the absence of companionship and support can have a large effect on health and mortality risk for adolescents. This presentation will explore factors that lead to social isolation and loneliness; will determine how both physical and emotional health can be influenced; and will discuss ways to improve social integration and support in order to improve outcomes and life satisfaction for adolescents.

Substance Use and Antisocial Behaviour in Adolescence in the UK

The Millennium Cohort Study (MCS), is following the lives of around 19,000 young people born across England, Scotland, Wales and Northern Ireland.

In 2018-2019, the researchers from UCL analysed data from 10,000 17 years olds on their substance use – including drug taking, binge drinking and smoking – and antisocial behaviours – such as assault, shoplifting and vandalism.

Some of the key findings include:

Association between Parental Separation and Addictions in Adolescents: Results of a National Lebanese Study

Published by
BMC Public Health
Publication Date

Numerous patterns have emerged from research conducted in Lebanon, pertaining to rising harmful addictions amongst children and adolescents, tied to family status. This study showcased direct correlations between child and adolescent addiction rates, and the status of their families. With rising divorce rates in Lebanon, children whose families are separated or divorced, showcased higher addiction rates to smoking and alcohol consumption.