Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.
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The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.
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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
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Excessive alcohol use costs the country approximately $235 billion every year.
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Your heart beats over 36 million times a year.
Gas exchange across body surfaces.
A maneless male lion, who also has little body hair - from Tsavo East National Park, Kenya