Age matters—to some extent. “Today, more than 90 percent of colon-cancer cases occur in people over age 50," says Gowrapopala (G.S.) Ramesh, M.D., a gastroenterologist at the Cancer Center at Memorial Hermann-Texas Medical Center in Houston, TX.
What to Do: Schedule some form of screening test around your 50th birthday. You might qualify for earlier testing if you have a family history or other risk factors (keep reading!). In fact, the American Cancer Society recently suggested that most adults start screenings at age 45, due in part to the increasing numbers of Millennials and Gen-Xers being diagnosed. Dr. Ramesh foresees this “official” change happening soon.