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Silica Exposure Increases Risk of Sarcoidosis, Swedish Study Shows

Exposure to moderate to high levels of silica increases the risk of sarcoidosis and seropositive rheumatoid arthritis (RA), a new study of Swedish iron foundry workers shows. The study titled, “Risk of sarcoidosis and seropositive rheumatoid arthritis from occupational silica exposure in Swedish iron foundries: a retrospective cohort study,”…

Study Supports Theory That Bacteria Causes Sarcoidosis, Researchers Say

Researchers found bacteria of the type Propionibacterium acnes in a large proportion of tissue samples from patients with cardiac sarcoidosis, suggesting that the bacteria may cause the formation of granulomas (abnormal collections of inflammatory cells), a typical feature of sarcoidosis. The work, published in the journal PLOS ONE, indicated that…