Greg Hartwell
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View article: Vaping and harm in young people: umbrella review
Vaping and harm in young people: umbrella review Open
Objective To appraise and synthesise the evidence on short and longer term harms of vaping in young people. Data sources KSR Evidence (systematic reviews); Medline, Embase, and PsycInfo (umbrella reviews); and reference screening. Study se…
View article: Feeling lonely in the online crowd: what TikTok tells us about young people and loneliness
Feeling lonely in the online crowd: what TikTok tells us about young people and loneliness Open
Loneliness is a pressing public health issue, with young people particularly affected. Given the widespread use of TikTok among younger demographics, the platform plays an influential role in shaping perceptions of health topics. This stud…
View article: The Promotion of Oral Nicotine Pouches for Non-Smoking Cessation Purposes on TikTok
The Promotion of Oral Nicotine Pouches for Non-Smoking Cessation Purposes on TikTok Open
Introduction Oral nicotine pouches (ONPs) are increasingly prevalent among young people and feature widely within social media content. This study systematically analyzes the most viewed videos on TikTok relating to ZYN (the most popular O…
View article: Ethical challenges confronted in non-clinical, public health research with young people in England
Ethical challenges confronted in non-clinical, public health research with young people in England Open
This opinion piece emerged from a collaboration of mental health researchers working on the National Institute of Health Research 3-schools mental health programme in underserved communities. The aim is to encourage debate and reflection o…
View article: Google allows advertisers to target the sensitive informational queries of cancer patients
Google allows advertisers to target the sensitive informational queries of cancer patients Open
Alternative cancer treatments are associated with earlier time to death when used without evidence-based treatments. Our study suggests alternative cancer clinics providing scientifically unsupported cancer treatments spent an estimated $1…
View article: A thematic analysis of tobacco industry responses to the Scottish Government’s consultation on e-cigarette regulation
A thematic analysis of tobacco industry responses to the Scottish Government’s consultation on e-cigarette regulation Open
E-cigarette use is increasing rapidly across the world. Governments have begun to tighten regulation principally to prevent uptake by young people and non-smokers. As tobacco industry ownership of the e-cigarette market grows, it is import…
View article: Addressing the commercial determinants of mental health: an umbrella review of population-level interventions
Addressing the commercial determinants of mental health: an umbrella review of population-level interventions Open
There is increasing evidence that commercial determinants impact mental health. Addressing the commercial determinants may therefore be a way of improving population-level mental health. This umbrella review aimed to provide an overview of…
View article: Selling Misleading “Cancer Cure” Books on Amazon: Systematic Search on Amazon.com and Thematic Analysis
Selling Misleading “Cancer Cure” Books on Amazon: Systematic Search on Amazon.com and Thematic Analysis Open
Background While the evidence base on web-based cancer misinformation continues to develop, relatively little is known about the extent of such information on the world’s largest e-commerce website, Amazon. Multiple media reports indicate …
View article: Commercial determinants of mental ill health: An umbrella review
Commercial determinants of mental ill health: An umbrella review Open
Mental ill health has complex and interrelated underlying causes, with wider determinants of health often overlooked as risk factors. The ‘commercial determinants of health’ are gradually receiving more attention and recognition but there …
View article: Does better than expected life expectancy in areas of disadvantage indicate health resilience? Stakeholder perspectives and possible explanations
Does better than expected life expectancy in areas of disadvantage indicate health resilience? Stakeholder perspectives and possible explanations Open
Some places have better than expected health trends despite being disadvantaged in other ways. Thematic analysis of qualitative data from stakeholders (N = 25) in two case studies of disadvantaged local authorities the North West and South…
View article: Selling Misleading “Cancer Cure” Books on Amazon: Systematic Search on Amazon.com and Thematic Analysis (Preprint)
Selling Misleading “Cancer Cure” Books on Amazon: Systematic Search on Amazon.com and Thematic Analysis (Preprint) Open
BACKGROUND While the evidence base on web-based cancer misinformation continues to develop, relatively little is known about the extent of such information on the world’s largest e-commerce website, Amazon. Multiple media reports indicate…
View article: Sunak’s smoke-free generation: spare a thought for the tobacco industry
Sunak’s smoke-free generation: spare a thought for the tobacco industry Open
The UK prime minister's call for a smoke-free generation, which follows similar measures in New Zealand, 1 would have been unimaginable for previous Conservative leaders.Rishi Sunak's two immediate predecessors, Liz Truss and Boris Johnson…
View article: A comparative study of industry responses to government consultations about alcohol and gambling in the UK
A comparative study of industry responses to government consultations about alcohol and gambling in the UK Open
Background There is growing evidence that common strategies are used across unhealthy commodity industries (UCIs) to influence policy decisions in line with their commercial interests. To date, there have been relatively few studies compar…
View article: The importance of school culture in supporting student mental health in secondary schools. Insights from a qualitative study
The importance of school culture in supporting student mental health in secondary schools. Insights from a qualitative study Open
Schools have the potential to provide a place of education and sanctuary for children and young people of all backgrounds. The rise in mental health problems in children and young people in the wake of the COVID‐19 pandemic, particularly i…
View article: Use of e-Cigarettes and Attendance at Stop Smoking Services: A Population Survey in England
Use of e-Cigarettes and Attendance at Stop Smoking Services: A Population Survey in England Open
Little is known about whether e-cigarette use influences tobacco smokers’ decisions around other smoking cessation options, including the most effective one available: stop smoking service (SSS) attendance. Our repeat cross-sectional surve…
View article: Research priorities for mental health in schools in the wake of COVID-19
Research priorities for mental health in schools in the wake of COVID-19 Open
Children and young people (CYP) have suffered challenges to their mental health as a result of the COVID-19 pandemic; effects have been most pronounced on those already disadvantaged. Adopting a whole-school approach embracing changes to s…
View article: U-turns or no turns? Charting a safer course in health policy
U-turns or no turns? Charting a safer course in health policy Open
Commentary: ‘When the facts change, I change my mind. What do you do, sir?’ This familiar question, usually attributed, apocryphally, to Keynes or Churchill, was alluded to by the British Prime Minister in January 2021 to justify a third n…
View article: Understanding decisions to use e‐cigarettes or behavioural support to quit tobacco: a qualitative study of current and ex‐smokers and stop smoking service staff
Understanding decisions to use e‐cigarettes or behavioural support to quit tobacco: a qualitative study of current and ex‐smokers and stop smoking service staff Open
Aim To examine factors influencing current and ex‐smokers’ decisions to use e‐cigarettes or behavioural support, including potential impacts of any differences in perspectives between smokers and their local stop smoking services (SSSs). D…
View article: The attendance of e-cigarette users at stop smoking services: a mixed methods study
The attendance of e-cigarette users at stop smoking services: a mixed methods study Open
Background: Stop smoking services (SSSs), combined with pharmacotherapy, are more effective for quitting smoking than other aids used alone, including e-cigarettes. SSS uptake has nonetheless declined for six years. Amidst pressure on coun…
View article: Understanding influences on the attendance of ‘dual users’ of tobacco and e-cigarettes at NHS stop smoking services
Understanding influences on the attendance of ‘dual users’ of tobacco and e-cigarettes at NHS stop smoking services Open
This PhD will undertake a mixed methods investigation to examine what influences dual users’ decisions on whether or not to access NHS stop smoking services. For the quantitative research, questions will be added to UCL’s Smoking Toolkit s…
View article: E-cigarettes and equity: a systematic review of differences in awareness and use between sociodemographic groups
E-cigarettes and equity: a systematic review of differences in awareness and use between sociodemographic groups Open
E-cigarette awareness, 'ever use' and current use appear to be patterned by a number of sociodemographic factors which vary between different countries and subnational localities. Care will therefore be required to ensure neither the poten…