RE: 'OCCUPATIONAL RISK FACTORS FOR ESOPHAGEAL AND STOMACH CANCERS AMONG FEMALE TEXTILE WORKERS IN SHANGHAI, CHINA'

摘要

A recent issue of the Journal included an excellent and interesting paper by Wernli et al. (1) supporting the concept that exposure to organic dust that contains endotoxin has beneficial effects against cancer. We would like to comment on the commonly suggested confounder associated with lower rates of cancer in workers exposed to organic dust-smoking-and expand on the mechanism by which endotoxin in dust may be responsible for the observed benefits as related to this exposure#