http://www.newscientist.com/article.ns?id=dn7207
Maggie McKee
"Crack cocaine is being injected - not just smoked - by a significant number of US drug users, reveals the first large survey of the practice. The phenomenon is particularly worrisome because it is associated with more high-risk behaviour, such as sharing needles and having unprotected sex, than other intravenous drugs."
