You can't see them or feel them, but they're definitely something you need to pay attention to.
Polyps are mushroom-like growths in the lining of your large intestine (colon) and your rectum. Why are they a problem? Some -- though not all -- can turn into colorectal cancer.
To keep this disease away, it's important to find polyps early. Since they usually don't cause symptoms, your best bet is to get a screening test that can spot them.
You've got several choices. Which one you get -- and how...