Debating gun registration ========================= * Robert Cushman I congratulate *CMAJ* for the recent editorial supporting the federal gun registration program.1 This editorial was timely, as there has been huge pressure to cut the costs of the gun registry or even abandon it altogether. We cannot easily measure prevention, but we can certainly measure the effects of ignoring it. **Robert Cushman** Medical Officer of Health City of Ottawa Ottawa, Ont. ## Reference 1. 1. Reasonable control: gun registration in Canada [editorial]. CMAJ 2003;168(4):389. [FREE Full Text](http://www.cmaj.ca/lookup/ijlink/YTozOntzOjQ6InBhdGgiO3M6MTQ6Ii9sb29rdXAvaWpsaW5rIjtzOjU6InF1ZXJ5IjthOjQ6e3M6ODoibGlua1R5cGUiO3M6NDoiRlVMTCI7czoxMToiam91cm5hbENvZGUiO3M6NDoiY21haiI7czo1OiJyZXNpZCI7czo5OiIxNjgvNC8zODkiO3M6NDoiYXRvbSI7czoyNDoiL2NtYWovMTY4LzEwLzEyNDAuMS5hdG9tIjt9czo4OiJmcmFnbWVudCI7czowOiIiO30=)