There are at least 50 kinds of pneumonia — a serious lung infection that takes the lives of more than 60,000 Americans every year.
An enlarged spleen is usually a sign of an underlying problem. Treatment varies, depending on what's causing the enlargement.
Most headaches aren't caused by a serious illness, but some could be a sign of a life-threatening condition.
Sick to your stomach? Nausea and vomiting usually pass quickly but sometimes result from long-term or serious conditions.
Tests and diagnosis
X-rays are a form of radiation that can make images of your bones and internal organs.
Aug. 30, 2012
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- Safe minimum cooking temperatures. FoodSafety.gov. http://www.foodsafety.gov/keep/charts/mintemp.html. Accessed May 15, 2012.
- Game from farm to table. USDA Food Safety and Inspection Service. http://www.fsis.usda.gov/fact_sheets/farm_raised_game/index.asp. Accessed May 15, 2012.