The anterior cruciate ligament (ACL) of the knee can be injured during sporting activities, particularly when an athlete pivots suddenly. The ACL is one of four knee ligaments that stabilize the knee. This video discusses how the knee works and what you should do if you sustain an ACL injury.

Leukemia is cancer that starts in the bone marrow, which is where new blood cells are made. The bone marrow is a thick, sponge-like tissue in the center of most bones. Read on to learn more.

Adrenal cancer is a rare cancer that begins in the adrenal glands. Read on to learn more about the adrenal glands, and types of tumors found there.

Here is a schedule of vaccines recommended for adults. It comes from the CDC National Immunization Program.

When the surgery is done, you'll go to the PACU (postanesthesia care unit). It is also called the recovery room. You'll stay in the PACU until you're fully awake. This is often a few hours. You'll then go to a regular room. Your hospital stay may last from 1 to 3 days.

Your child has had a procedure called an ileostomy. This surgery affects part of the colon (large intestine) and part of the last section of the ileum (small intestine). Parts of your child's colon and ileum were cut. Parts may have been removed. A small hole called a stoma is made in the abdominal wall and skin. During surgery, the intestine is attached to the skin to allow stool and mucus to pass out of the body. The stool and mucus drain into a holding bag. Below are guidelines for home care after an ileostomy. The healthcare provider and nursing staff may give you other directions for your child.

Your child had a procedure called inguinal hernia repair. These are instructions for caring for your child following the surgery.

A helpful guide to the inner ear, complete with a diagram.

Cancer starts when cells in the body change (mutate) and grow out of control. To help understand what happens when you have cancer, it helps to look at how your body normally works.

The IUD (intrauterine device) is small, flexible, and T-shaped. It is placed in the uterus by a trained healthcare provider. The IUD is one of the most effective birth control methods.

Some babies have a more difficult trip through the birth canal than others, resulting in physical injuries. These injuries usually are not serious and clear up or improve within a few days or weeks after the birth.

Marigel Constantiner couldn't sleep, was always sick, and struggled to get through each day. Could a vitamin deficiency be behind her depression? Here is her story...

A brain tumor is an abnormal growth of tissue in the brain. Learn about the different types of brain tumors.

The most common type of breast infection is lactational mastitis. This happens when a woman is breastfeeding. The nipples become cracked and sore, allowing bacteria from the baby's mouth to enter the ducts and rapidly multiply in the milk.

Your surgeon can help you decide whether to have reconstructive surgery. You will be advised to wait if now is not the best time for you. Breast reconstruction can be done during or after a mastectomy. One kind of reconstruction is the breast implant. A sac of fluid is inserted during surgery to re-form the shape of a breast.

Follow these tips to help your child's incision heal as it should and to help prevent infection.

Learn about how a new lens is implanted after cataract surgery.

Learn about central line infections, how hospitals are trying to prevent them, and how to treat an infection if one occurs.

For certain types of neck pain, your health care provider may suggest a cervical epidural injection. During this procedure, medicine is injected deep into your neck near your spine.

Cervical epidural injection is a treatment for certain types of neck pain. Learn what to expect before, during, and after this treatment.