Howstuffworks "Medical Dictionary - Health Reference Guide"

Looking for information on a specific medical condition, symptom or surgical procedure? The Medical Dictionary at HowStuffWorks has the answers. More than 3,000 medical terms, from acne to X-ray, are defined in straightforward, easy-to-understand language with helpful illustrations. Learn how to manage your diabetes, how to treat poison ivy and what to expect during a biopsy – plus, quickly check what your symptoms mean and when to seek medical attention.

Featured Medical Dictionary:

Acne

Characterized by whiteheads, blackheads, and the infamous inflamed red pimples or "zits,” acne is an unpleasurable affliction for many. On our definition page, learn about different types of acne conditions and how to treat and prevent them.

Migraine

A migraine is a type of primary headache that some people get repeatedly over time. Migraines are different from other headaches because they occur with symptoms such as nausea, vomiting, or sensitivity to light.

Botulism

Botulism is a rare but serious illness caused by the bacterium Clostridium botulinum. The bacterium may enter the body through wounds, or they may live in improperly canned or preserved food.

West Nile Virus

West Nile virus was first identified in 1937 in Uganda in eastern Africa. It was first identified in the United States in the summer of 1999 in New York. Since then, the virus has spread throughout the United States.

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