Cigarette smoking increases the risk of rheumatoid arthritis: Results from a nationwide study of disease‐discordant twins

doi:10.1002/art.1780390504

Article

Cigarette smoking increases the risk of rheumatoid arthritis: Results from a nationwide study of disease‐discordant twins

1 May 1996

Abstract excerpt

OBJECTIVE: To test the hypothesis that cigarette smoking is associated with susceptibility to rheumatoid arthritis (RA) by comparing smoking history between twins with RA and their unaffected co-twins. METHODS: Interview questionnaires on smoking history were administered to 79 identical (monozygotic [MZ]) and 71 same-sex nonidentical (dizygotic, [DZ]) twin pairs who were discordant for RA, recruited from the...

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