10 to 15 grams cancers of the colon and other conditions. 2.9 grams Fiber Helps Protect Against Cancer  How Fiber Helps Protect Against Cancer How Fiber Helps Protect Against Cancer How Fiber Helps Protect Against Cancer colon cancer How Fiber Helps Protect Against Cancer Studies found dietary fiber may help prevent several kinds of cancer Physicians Committee for Responsible Medicine How Fiber Helps Protect Against Cancer fiber can decrease the risk of colon cancer. reduces the risk of colorectal cancer. cancer 3 grams 35 grams per day cancers of the colon and other conditions. 2.9 grams How Fiber Helps Protect Against Cancer How Fiber Helps Protect Against Cancer Physician’s Committee for Responsible Medicine