Could campaigns like Dry January do more harm than good?

Medicine and Science from The BMJ - A podcast by The BMJ

Are you having a dry January? In this podcast Ian Gilmore, honorary professor at Liverpool University, and Ian Hamilton, a lecturer in the Department of Health Sciences at York University, debate whether campaigns such as this have any public health benefit. Read the full head to head article: http://www.bmj.com/content/352/bmj.i143