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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

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Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

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The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Prevalence and Sex Distribution of Top 10 Autoimmune Diseases Diagnosed in the United States Prevalence and Sex Distribution of Top 10 Autoimmune Diseases Diagnosed in the United States
Common Adverse Effects of Corticosteroids Common Adverse Effects of Corticosteroids
Common Abbreviations and Symbols Used by Massage Therapists Common Abbreviations and Symbols Used by Massage Therapists
Areas of the United States, Mexico, and Cuba will be affected by a rise of just 100 cm Areas of the United States, Mexico, and Cuba will be affected by a rise of just 100 cm
By the People: A History of the United States, AP Edition By the People: A History of the United States, AP Edition
Nutrias native to South America are abundant in freshwater marshes of the Gulf States. Their populat Nutrias native to South America are abundant in freshwater marshes of the Gulf States. Their populat
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