Letters Exercise and depression

Authors’ reply to Davies and colleagues, Donnelly, and Pilling and Anderson

BMJ 2012; 345 doi: https://doi.org/10.1136/bmj.e4500 (Published 03 July 2012) Cite this as: BMJ 2012;345:e4500
  1. Glyn Lewis, professor of psychiatric epidemiology1
  2. On behalf of all coauthors
  1. 1University of Bristol, School of Social and Community Medicine, Bristol BS8 2BN, UK
  1. glyn.lewis{at}bristol.ac.uk

Our study compared a physical activity intervention plus usual care with usual care alone.1 The intervention did not improve depressive symptoms compared with usual care. As many correspondents have stated, we did not evaluate “exercise” or even “physical activity” but the effect of our intervention on depression. The headline that “exercise is no help for depression” clearly goes beyond our findings and …

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