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The esophagus is the muscular tube that connects the throat to the stomach. The muscles in the esophagus contract to move food and

The shingles rash can appear anywhere on the body but will only be on one side of the body, the left or right. It will be in a

High blood pressure means that blood is pushing too hard against artery walls. The force of this blood can damage the heart and

Esophagitis is irritation or inflammation of the esophagus. The esophagus is the tube that carries food from the throat to the

When you yawn or swallow, the eustachian tubes open briefly and make the air pressure equal inside and outside the ears. The

Normal red blood cells move easily through blood vessels, taking oxygen to every part of your body. People who have sickle cell

Bedbugs are flat, wingless insects that feed on blood from animals or people. The bugs are about 0.25 in. (0.6 cm) long and range

Unlike other breast cancers, inflammatory breast cancer may not cause a lump in the breast. Instead, it may cause the breast to be

A broken nose is likely to cause swelling and bruising over the nose and around the eyes. The nasal bones may break in the area

A rectal thermometer is the most accurate way to take a temperature. To take a rectal temperature: Apply a lubricant jelly or