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Pharyngitis and tonsillitis are infections that cause inflammation. If the tonsils are mainly affected, it is called tonsillitis. If the throat is mainly affected, it is called pharyngitis. These infections are spread by close contact with others. Here's what you need to know.

Detailed anatomical description of the spine, shoulder, and pelvis, including full-color, labeled illustrations.

Chronic pain is pain that lasts for more than three months. Learn more about symptoms, diagnosis, and treatments.

A dislocated shoulder means the upper arm bone (humerus) has moved out of the shoulder joint. It can cause pain, swelling, numbness and trouble moving the shoulder.

Detailed information on the healthcare providers and specialists who treat disorders of the spine, shoulder, and pelvis.

Cholera is an infectious disease caused by bacteria.

Cryptosporidiosis is an infection that causes diarrhea. It is sometimes called crypto. It is caused by a parasite found in stool.

Here you will find detailed information on common health problems associated with travel in developing countries.

Here you will find detailed information on emerging infectious diseases and how travelers can reduce their risk.