title: Needle exchange programs help prevent AIDS.
mesh_terms: D000163:Acquired Immunodeficiency Syndrome / Q000517:prevention & control* / Q000635:transmission; D006801:Humans; D008910:Minnesota; D016485:Needle Sharing / Q000331:legislation & jurisprudence*; D011634:Public Health / Q000331:legislation & jurisprudence*; D015819:Substance Abuse, Intravenous / Q000150:complications / Q000534:rehabilitation*