HOLLANDS Gareth

University College London, UK

• Dr Gareth Hollands is Principal Research Fellow in Evidence Synthesis and Behavioural Science at the EPPI Centre, UCL.
• He studied psychology at Oxford, UCL, and the Institute of Psychiatry, KCL, where he received his PhD.
• His research aims to contribute to a cumulative evidence base for scalable interventions to improve population and planetary health, focusing particularly on the potential for the environments that we interact with to shape behaviours such as food and alcohol consumption.

Recent publications: 

1. Clarke N, Pechey E, Shemilt I, Pilling M, Roberts NW, Marteau TM, Jebb SA, Hollands GJ (2025). Calorie (energy) labelling for changing selection and consumption of food or alcohol. Cochrane Database of Systematic Reviews; 1:CD014845.
2. Clarke N, Blackwell AKM, Ferrar J, De-loyde K, Pilling MA, Munafò MR, Marteau TM, Hollands GJ (2023). Impact on alcohol selection and online purchasing of changing the proportion of available non-alcoholic versus alcoholic drinks: a randomised controlled trial. PLOS Medicine; 20(3):e1004193.
3. Clarke N, Ferrar J, Pechey E, Ventsel M, Pilling MA, Munafò MR, Marteau TM, Hollands GJ (2023). Impact of health warnings and calorie labels on selection and purchasing of alcoholic and non-alcoholic drinks: a randomized controlled trial. Addiction; 118(12):2327-2341.
4. Marteau TM, Hollands GJ, Pechey R, Reynolds JP, Jebb SA (2022). Changing the assortment of available food and drink for leaner, greener diets. BMJ; 377:e069848.
5. Reynolds JP, Ventsel M, Kosīte D, Rigby Dames B, Brocklebank LA, Masterson S, Pechey E, Pilling M, Pechey R, Hollands GJ, Marteau TM (2021). Impact of decreasing the proportion of higher energy foods and reducing portion sizes on food purchased in worksite cafeterias: a stepped-wedge randomised controlled trial. PLOS Medicine; 18(9):e1003743.