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Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

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Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

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Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

The extent of acid rain in the United States has decreased. The extent of acid rain in the United States has decreased.
The United States in the Caribbean and Central America The United States in the Caribbean and Central America
Leading Sites of New Cases of Cancer in the United States, 2013 Leading Sites of New Cases of Cancer in the United States, 2013
Per capita consumption of power is high in the developed world and highest in the United States Per capita consumption of power is high in the developed world and highest in the United States
Food Assistance Programs in the United States Food Assistance Programs in the United States
Percent of Selected Foods and Beverages Consumed in the United States Percent of Selected Foods and Beverages Consumed in the United States
Video: hGH (protein synthesis, growth and development)

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