Intended for healthcare professionals

Letters Merit of campaigns like Dry January

Study shows that Dry January does more good than harm

BMJ 2016; 352 doi: (Published 04 February 2016) Cite this as: BMJ 2016;352:i583
  1. Richard O de Visser, reader
  1. School of Psychology, University of Sussex, Falmer BN1 9QH, UK
  1. rd48{at}

As mentioned in Hamilton and Gilmore’s head to head debate,1 evidence suggests that Dry January does more good than harm. Our evaluation of the short and longer term effects of participation in Dry January found that participation in Dry January led to increases in …

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