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Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.
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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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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.