Eating the right foods and drinking plenty of water is always important to your health. Focusing on good nutrition is even more important before and after you donate plasma. Follow these tips for a safe and successful plasma donation experience and to get your body ready to donate. On this page: Before you donate plasma, After you donate plasma, Anytime.
Screening Tests That Have Been Shown to Reduce Cancer Deaths. 1  Colonoscopy, sigmoidoscopy, and high-sensitivity fecal occult blood tests (FOBTs) These tests have all been shown to reduce deaths from colorectal cancer. 2  Low-dose helical computed tomography.
Several different tests can be used to screen for colorectal cancers. These tests can be divided into: 1  Tests that can find both colorectal polyps and cancer: These tests look at the structure of the colon itself to find any abnormal areas.2  This is done either with a scope inserted into the rectum or with special imaging (x-ray) tests.olorectal cancer cells often contain DNA mutations (changes) in certain genes. Cells from colorectal cancers or polyps with these mutations are often shed into the stool, where tests may be able to detect them. Cologuard â¢ , the test currently available, also tests for blood in the stool.