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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.
Medication errors are three times higher among children and infants than with adults.
The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.
Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.