The policy guidance issued by HHS and State requires that SSPs be implemented as part of a comprehensive program for injection drug users that includes linkage and referral to substance abuse prevention and treatment services, mental health services, and other support services.

WHITEHOUSE: Health Care Blog | The White House

But the latest study, published in the journal Substance Abuse Treatment, Prevention, and Policy, questions this approach.

BBC: NEWS | Health | Drinking at home 'cuts bingeing'

Informed by this basic understanding, the 2010 and 2011 Strategies established and promoted a balance of evidence-based public health and safety initiatives focusing on key areas such as substance abuse prevention, treatment, and recovery.

WHITEHOUSE: 2012 National Drug Control Strategy