Colonoscopy is used to view the inside of your lower digestive tract (colon and rectum). It can help screen for colon cancer and can help find the source of abdominal pain, bleeding, and changes in bowel habits.

Proper care can help your baby's umbilical cord heal. Do not pull or pick at the cord. It should fall off on its own within 2 weeks after the birth. Use the steps below as a guide.

A rectal temperature is taken by placing a thermometer in your baby's bottom. This method provides the most accurate reading. Talk with your baby's healthcare provider before taking your baby's temperature this way. It should be done only when advised by your baby's healthcare provider.

An armpit (axillary) temperature is taken by holding the thermometer under your baby's arm. To provide a correct reading, this must be done with care. Use the steps on this handout as a guide.

You can express your milk and store it in clean containers. Your partner or a sitter can feed it to the baby. This way, your baby gets the benefits of your milk even when you can't be there at feeding time. Follow these guidelines for milk storage.

A helpful guide to how your heart's electrical system works, complete with a diagram.

An exercise stress test shows your heart's response to exercise. The test records your heartbeat while you walk on a treadmill or ride a stationary bike. It can be done in a hospital, a test center, or a healthcare provider's office. The test is also called a stress electrocardiogram (ECG/EKG).

You may have had angina, dizziness, or other symptoms of heart trouble. To help diagnose your problem, your healthcare provider may advise a cardiac catheterization. This common procedure is sometimes also used to treat a heart problem. Learn what to expect before, during, and after the procedure.

Colds are caused by viruses. They can't be cured with antibiotics. But you can ease symptoms and help your body's efforts to heal itself. Read on for details.

A person with HIV can look and feel perfectly healthy. But that person can give HIV to others as soon as they're infected with the virus. Read on to learn more.