If you sit much of the day, your chair is your main support. A well-adjusted chair improves your circulation. It also helps prevent backaches and fatigue.

Glare is the reflection off your screen that makes it hard to see the screen clearly. Glare can be caused by sunlight on your screen. Or it may be caused by indoor light, such as overhead and task lamps. Simple changes can help reduce glare and strain on your eyes. Adjusting your screen's contrast and brightness can also improve viewing comfort.

Is your workstation arranged so you can work efficiently? That means having your monitor, keyboard, mouse, and workstation tools - such as your telephone and document holder - well placed. When they are, you'll feel better and most likely get more done.

Soft tissue may become trapped between the bones in a child's elbow joint (radial head subluxation). It often happens when a child is lifted or pulled by one arm.

A pneumothorax occurs when air fills the space between your lung and chest wall. This can cause all or part of your lung to collapse. The main cause of a pneumothorax is an injury to the chest cavity that punctures the lungs.

Whooping cough is a highly contagious infection of the respiratory tract. It can be very serious. Read on to learn how to know when to get medical care for your child.

Venous angioplasty is a procedure that treats blocked or narrowed veins. Sometimes a metal mesh tube or stent is put inside the vein to hold it open.

Venography is a procedure that makes X-ray studies of the veins. It shows how blood flows in your veins.

This surgery is done to treat diseases of the digestive tract. It removes all of the large intestine. When healed, waste passes from the small intestine through an opening (stoma) in the belly wall and into a pouch outside of the body.

This surgery is done to treat diseases of the digestive tract. It takes out all of the large intestine. When healed, bowel movements still occur through the anus.