Age at initiation of endoscopy, colorectal cancer risk among women

JAMA Network

About The Study: Compared with no endoscopy, initiation of lower gastrointestinal endoscopy before age 50 among women was associated with a reduced risk of colorectal cancer, including colorectal cancer diagnosed before age 55, findings that support guidelines recommending initiation of colorectal cancer screening among women before age 50.

Authors: Mingyang Song, M.D., Sc.D., of the Harvard T.H. Chan School of Public Health in Boston, and Andrew T. Chan, M.D., M.P.H., of Massachusetts General Hospital in Boston, are the corresponding authors.

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