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.
A stool test is one of many tests used to look for colorectal cancer. These tests may find cancer early, when treatment works better. Colorectal cancer affects the large intestine (colon) and the rectum. There are three kinds of stool tests: 1  Fecal occult blood test (FOBT). 2  For this test, you put tiny samples of your stool on a special card or cloth and send it to a lab. 3  The lab uses chemicals to find blood that can't be seen with the naked eye.