Intended for healthcare professionals

Letters Why medicine is overweight

Don’t forget inconvenient truth of supplier induced demand

BMJ 2010; 340 doi: (Published 23 June 2010) Cite this as: BMJ 2010;340:c3334
  1. Richard Smith, director1
  1. 1UnitedHealth Chronic Disease Initiative, London SW4
  1. richardswsmith{at}

    Martyn makes a mistake in thinking that patient demand alone is making medicine overweight.1 He writes: “people’s appetite for medicine was whetted and consumption of medical resources increased.” He has ignored supplier induced demand.2

    Jack Wennberg, “the father of variation studies,” points out that every doctor who graduates in the United …

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