Air pollution ups ANA+: Ontariio Canadi study of 3548 serum samples (2010-13) corrlated particulate matter (PM2.5) w/ serologies. Highest vs lowest quartile PM2.5 showed higher risk of ANA ≥1:640 (OR 1.46) & ≥1:1280 (OR 1.54). Pollution has systemic immune effects! https://t.co/fJrhypNE2A