Background: Social media has been widely used for health-related purposes, especially
during the COVID-19 pandemic. Previous reviews have summarized social media uses for a …

Objectives This study aimed to investigate the extent and key characteristics of academic
research and scholarship on the public health community's use of social media for policy …

Social media influencers (SMI) are individuals with large follower engagement, who can
shape the thoughts and dietary behaviours of their audience. Concerns exist surrounding …

The prediction of tweets associated with specific topics offers the potential to automatically
focus on and understand online discussions surrounding these issues. This paper …

Background It is well-evidenced that environmental or human rights advocacy comes with
risks for those involved. Much less is known about the risks of tobacco control advocacy …

Text processing methods like lexicon-based unsupervised approaches play important roles
to quantify public opinions in the textual domain. While these methods have benefit to …

Background Tobacco companies' intentions to influence the WHO Framework Convention
on Tobacco Control (FCTC) via the Conference of Parties (COP; the official biannual …

Background Online ethnography has been making a unique contribution to people with
chronic conditions as a complement to offline ethnography. It can also be used to study the …

Cannabis legalization has been welcomed by many US states but its role in escalation from
tobacco e-cigarette use to cannabis vaping is unclear. Meanwhile, cannabis vaping has …

Introduction Advocates of electronic nicotine delivery systems (ENDS) increasingly use
Twitter to promote liberal ENDS policies.“World Vape Day”(WVD) is an annual campaign …