Skip to main content
Wolfson Institute of Preventive Medicine - Barts and The London

Peter Hajek


Telephone: Tel: +44 (0) 20 7882 8232


Peter Hajek is Professor of Clinical Psychology and Director of the Health and Lifestyle Research Unit at the Wolfson Institute of Preventive Medicine.

His research is concerned primarily with understanding health behaviours, and developing and evaluating both behavioural and pharmacological treatments for dependent smokers and for people with weight problems. He has contributed to the establishment of the UK specialist stop-smoking service, training of its staff, and relevant NICE guidelines.

He is a recipient of research grants of over £10,000,000, holds a number of academic and editorial appointments, and authored or co-authored over 300 publications.


Current Projects

  • Group weight management programme versus best practice primary care intervention
  • Randomised trial of 5:2 diet
  • Tailoring prescriptions of stop smoking medications to patient reactions
  • Randomised trial of nicotine patch preloading for smoking cessation
  • E-cigarettes: Speed of nicotine delivery
  • International Smoking Cessation Education Collaboration
  • Complementing current pharmacological treatments for smokers with sensory replacement
  • Adding E-cigarettes to standard NHS stop-smoking treatment
  • Comparison of efficacy of E-cigarettes versus standard NHS stop-smoking treatment
  • Dual users who smoke and vape: Cohort follow-up study
  • Endurance of self-imposed discomfort and distress tolerance as factors in behaviour change
  • Effects of varenicline on alcohol consumption and enjoyment


Recent Publications


Health behaviours
Tobacco dependence
Smoking cessation
Weight management