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Endovascular coiling is used to block blood flow to an aneurysm.

Digestion is a multistep process that begins the moment you place a piece of food in your mouth or sip some juice.

Aspiration means that something enters your airway or lungs by accident, such as food or liquid. It can happen when you have trouble swallowing normally, which is called dysphagia.

Medicines play a key role in controlling asthma. Some help to prevent symptoms. Others are used to treat symptoms.

This test measures the level of vitamin B-12 in your blood. You need this vitamin to make red blood cells and for your nervous system to function as it should.

Here are images showing how to change your baby's diaper.

Evidence is mounting that people with gum (periodontal) disease may be more at risk for heart disease and stroke.

Arthroscopy is a minimally-invasive procedure used to diagnose and treat conditions affecting joints. The doctor can directly view the internal structures of a joint using an instrument called an arthroscope. An arthroscope is a small, tube shaped instrument that is used to look inside a joint.

During the teen years, peer pressure can be very strong. It can push kids to do things that they don't really want to do. This pressure can come from friends or other kids at school. But parents can counter it, if they're ready to help.