This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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The human body produces and destroys 15 million blood cells every second.
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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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Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.
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It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.
A woman in a net on a Congo shore. Although the importation of slaves was illegal after 1807, histor
Vocabulary Development in English Monolinguals (EL1) and English Language Learners (ELL)
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