Colon and rectal cancer screenings should start at 45, new guidelines say

Colon and rectal cancer screenings should start at 45, new guidelines say  CNN Start colon cancer screening at 45, not 50, American Cancer Society urges  USA TODAY Begin Colorectal Cancer Screening at Age 45, Says ACS  Medscape Colon cancer screening should start at 45, Cancer Society says  NBCNews.comFull coverage

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