IARC classified crystalline silica as a probable carcinogen in 1987, however, significant doubts remain. This study suggests that silicosis is not a cause of lung cancer. By chance the study also finds that silica is associated with death from diseases of the urinary system (kidney disease).
Evidence from:
P Carta et al. Occupational and Environmental Medicine. December (2001) Vol.58 # 12 p 786.
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