Did you know?
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).
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It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.
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All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
Effects of introduced parasites on American chestnut trees.
Assessing for Apley's Grinding Sign
Testing hearing acuity using a tuning fork.
PMDD Diagnostic Criteria from the American Psychiatric Association
Estimating Potential Blood Volume Loss (Part 1)
North American temperate deciduous forest. Forest soil profile at right.