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Did you know?
Your heart beats over 36 million times a year.
Did you know?
Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.
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ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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There are approximately 3 million unintended pregnancies in the United States each year.