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Excessive alcohol use costs the country approximately $235 billion every year.

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Approximately 500,000 babies are born each year in the United States to teenage mothers.

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Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

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Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

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