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Asthma cases in Americans are about 75% higher today than they were in 1980.
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Everyone has one nostril that is larger than the other.
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If you could remove all of your skin, it would weigh up to 5 pounds.
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A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.
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All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.