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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.

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Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

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Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

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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.

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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

This painting depicts New Orleans in 1803, when the city was acquired—along with much of the modern This painting depicts New Orleans in 1803, when the city was acquired—along with much of the modern
The mortality rate in the United States increases with age and is lower for women than men at every ... The mortality rate in the United States increases with age and is lower for women than men at every ...
In the past year, about one in five adults in the United States reported symptoms of anxiety ... In the past year, about one in five adults in the United States reported symptoms of anxiety ...
An example of the sometimes drastic differences in placarding regulations in the United States ... An example of the sometimes drastic differences in placarding regulations in the United States ...
A random sample of 87 airline pilots recruited by an airline service had an average yearly ... A random sample of 87 airline pilots recruited by an airline service had an average yearly ...
Applying the bill of rights to the states Applying the bill of rights to the states
Video: Semidiscontinuous DNA replication

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