This issue includes the following themes

Alcohol drinking, studied from many perspectives and by different methodologies 

Mental health work cannot be postponed
Matilda Hellman

Problematic internet use: A scoping review – longitudinal research on a contemporary
social problem, 2006–2017
Daniel Dahl and Karin Helmersson Bergmark

Alcohol use among older adults: A comparative study across four European countries
Ingeborg Rossow and Bente Træen

Beer drinking, resistance and the politics of alcohol tax levy in Botswana
Tebogo B Sebeelo

Observational learning of the televised consequences of drinking alcohol: Exploring the role of perceived similarity
Mira Mayrhofer and Jörg Matthes

Parents’ experiences of substance use problems, parenthood, and recovery within the 12-step movement
Karin Heimdahl Vepsä

The new suit of the Centre for Social Research on Alcohol and Drugs (SoRAD): A well-tailored costume for tackling research and challenges ahead
Jessica Storbjörk, Jonas Landberg and Robin Room

Change and continuity in Finnish drinking in the 21st century
Christoffer Tigerstedt, Pia Mäkelä, Thomas Karlsson, Janne Härkönen, Tomi Lintonen and Katariina Warpenius

The Finnish Drinking Habits Survey: Implications for alcohol policy and prevention
Katariina Warpenius and Pia Mäkelä