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Did you know?
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.
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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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The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.
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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

