Vancouver's safe injection site is slowing down the spread of HIV and helping drug users quit their habits, a new study finds — but an expert suggested that Prime Minister Stephen Harper and his government won't want to hear those results.

The study says the three-year-old Supervised Injection Site in the Downtown Eastside has been a great success.

The injection site, which drew about 5,000 users in its first year of operation, is a place where people can safely go to inject illegal drugs while being supervised by nurses.

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