Approximately 4 to 5% of the U.S. population has one or more clinically significant phobias in a given year. Specific phobias occur in people of all ages. The average age of onset for social phobia is between 15 and 20 years of age, although it can often begin in childhood.
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The offspring of two sets of identical twins are legally cousins but genetically siblings.
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Only 2% of the worlds population is blonde.
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Women who are romance novel readers are reported to make love 74% more often with their partners than women who do not read romance novels.
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It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
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Sociologists have found the worse the economy, the longer the women's skirts are and the better economy, the shorter the skirt.
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One in 500 humans has one blue eye and one brown eye.
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‘Old people smell’ is actually caused by a chemical, 2-nonenal, that old people secrete through their skin
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