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Letters Smoking v obesity

Author’s reply

BMJ 2010; 341 doi: (Published 29 September 2010) Cite this as: BMJ 2010;341:c5299
  1. Douglas B Kamerow, chief scientist
  1. 1Health Services and Policy Research, RTI International, USA
  1. dkamerow{at}

    Weiler is of course correct that physical inactivity is a very strong risk factor for several diseases and for mortality.1 …

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