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.
Blood tests can screen for cancer in healthy people and can help diagnose cancer in those with disease symptoms. Blood tests can also be used to monitor a person's response to cancer treatments and detect tumor recurrence.Doctors look for the presence of cancer cells in the blood or tumor markers, which are substances made by a cancerous tumor.lood Tests to Screen for Cancer. Blood tests can be used to screen healthy people for cancer. Prostate-specific antigen is sometimes used for prostate cancer screening, but PSA levels can be high for reasons other than cancer.