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Affecting nearly 30 million Americans, constipation increases health care costs and diminishes quality of life. Banny S. Wong, M.D., of the Department of Gastroenterology and Hepatology, discusses a phase II study of A3309.
Doctors at Mayo Clinic have studied and improved upon a noninvasive screening test that requires no preparation or procedure. The test detects cancer or precancerous polyps by measuring DNA in your stool.