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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In one day an average person will take about 18,000 steps.
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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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City dwellers have longer, thicker, denser nose hairs than country folks do.
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The single biggest predictor of love is proximity.
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Women have a slightly higher average IQ than men.
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