Insomnia is trouble falling to sleep or staying asleep. One in three adults has bouts of insomnia.

Sjögren syndrome is an autoimmune disorder. This means that the body's own immune system attacks its own cells and tissues by mistake. In this case, it attacks the glands that produce moisture. It commonly causes dry skin, dry eyes, and dry mouth.

Chances are good that you're one of many pregnant people who experience the churning and burning of heartburn or acid indigestion. It typically hits somewhere in the second or third trimester, and it can be miserable.

Anorexia nervosa (or simply anorexia) is an eating disorder that causes people to obsess about their weight and food. People who suffer with this behavior problem have a distorted body image. They see themselves as overweight even when their weight is dangerously low.

A paranasal sinus tumor is a cancer that has grown inside your sinuses, the open spaces behind your nose.

A chordoma is a form of bone cancer that can occur anywhere along the length of the spine from the base of the skull to the lower back.

Patient-controlled analgesia (PCA) is a type of pain management that allows you to decide when you will get a dose of pain medicine. You don't need to wait for a nurse, and you can get smaller doses of pain medicine more often.

When used to treat injuries at home, cryotherapy refers to cold therapy with ice or gel packs that are usually kept in the freezer until needed. These remain one of the simplest, time-tested remedies for managing pain and swelling.

The biggest problem with palliative care is that many people are referred for care too late. By starting this type of care early, and by using the right type of pain management, nearly all pain problems can be relieved or reduced.

A brain tumor starts when cells in the brain change and grow out of control. As they continue to grow, they form a mass of cells that becomes a tumor. Learn about the types of brain tumors and symptoms.