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Asthma cases in Americans are about 75% higher today than they were in 1980.
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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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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.