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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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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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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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Blood is approximately twice as thick as water because of the cells and other components found in it.