The evidence points to an urgent need, say Elaine Hyshka and Cameron Wild.

Last week, Health Canada issued the approvals to establish supervised consumption services in Edmonton. Scientific evidence consistently supports the individual and community benefits of these services, and local data demonstrate an urgent need for them in our inner city.

Unfortunately, some people allege ("Safe injection sites will hurt vulnerable communities," Oct. 21) the scientific evidence used to support Health Canada's decision is biased and not credible. We write to correct this misrepresentation of facts.

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