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Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
There are 60,000 miles of blood vessels in every adult human.
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.