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You've been told you need an endoscopic procedure to diagnose a problem in your chest or lung. This procedure allows your doctor to view the airway of your lungs and take a tissue sample (biopsy) if needed.

A muscle spasm (also called a cramp) is an involuntary muscle contraction. The muscle tightens quickly and strongly.

The earlier treatment for a stroke is started after symptoms begin, the more likely you are to survive and recover. Here is what you can expect during treatment.

Some types of cancer treatment damage stem cells. A peripheral blood stem cell transplant replenishes these stem cells. Learn what to expect.

Marijuana is now legal in several states in the U.S. But just because it’s legal does not mean it’s safe for everyone. Marijuana use during pregnancy can harm your baby.

Gallstones form when certain substances in the bile crystallize and become solid. Read on for details about symptoms, diagnosis, and treatment.

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 doctor before taking your baby's temperature this way. It should be done only when advised by your baby's doctor.

Until your newborn's umbilical cord falls off, sponge baths are the best way to bathe your baby. Gather supplies ahead of time. Bathe your newborn every 2 to 3 days, using the steps below as a guide. You can wash the diaper area more frequently as needed to keep the baby clean.

Change your baby's diapers when the diaper feels wet or heavy or if you find stool (bowel movement). In general, expect to change your baby shortly after each feeding.