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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
There are more bacteria in your mouth than there are people in the world.
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.
An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.