Talk:Schizophrenia and tobacco smoking

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A fact from Schizophrenia and tobacco smoking appeared on Wikipedia's Main Page in the Did you know column on 28 December 2009 (check views). The text of the entry was as follows:

Did you know
- ... that studies across 20 countries show a strong association between schizophrenia and smoking?
A record of the entry may be seen at Wikipedia:Recent additions/2009/December.

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When the main page led me to this article, my immediate first question was whether schizophrenics have similarly high rates of addiction to other addictive substances, and how rates of addiction compared across classes of addictive substances. I see no such research cited here, just a direct focus on possible reasons. Does any such research exist? Is the approach of the article a limitation of the article or of the current research? - Tenebris —Preceding unsigned comment added by 216.254.156.208 (talk) 12:21, 28 December 2009 (UTC)[reply]