Intended for healthcare professionals

Letters Availability of medical cannabis

The double edged sword of medicalising cannabis

BMJ 2019; 365 doi: (Published 10 June 2019) Cite this as: BMJ 2019;365:l4066
  1. David B Menkes, academic psychiatrist
  1. University of Auckland, Waikato Clinical Campus, Hamilton 3240, New Zealand
  1. david.menkes{at}

Nutt describes some of the interesting history of cannabis as medicine and notes the wide variety of maladies for which it is claimed to be useful.1 His enthusiasm for medical cannabis extends to a call for its efficacy and adverse effects to be assessed …

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