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.
Did you know?
Thyroid conditions may make getting pregnant impossible.
Did you know?
The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.
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More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.
Concept of Illness by Children
The Geologic Time Scale
An old concept of genetic transmission—a homunculus in a sperm cell.