Diseases and Disorders

54 Interesting Facts about Heart Disease
Heart disease causes 40% of U.S. deaths, more than all cancers combined. Learn more important heart disease facts, including causes, symptoms, and much more.
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41 Catastrophic Facts about the Black Death
Originating in China, the Black Death arrived in Europe with a deadly vengeance. Learn how the pandemic disrupted the known world in Black Death facts.
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35 Heart-Stopping Facts about Cholesterol
Without cholesterol, all the contents of our cells would ooze out. Discover how vital this molecule is to life and health with our fun cholesterol facts.
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71 Important Facts about HIV/AIDS
Over 40 million people are living with AIDS around the world. Learn more about this important global health issue with our interesting HIV/AIDs facts.
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60 Eye-Opening Facts about Sleep
We spend twenty-five years of lives asleep. What are our minds and bodies doing during this huge chunk of our lives? Find out with our fun sleep facts!
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