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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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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.
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According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).
Say the colour, not the word
Schools are a primary agent of socialization. One of their functions is to teach children the ...
Review in Changes in Eight Different Domains of Adult Functioning
Phonetic and Whole-Word Recognition
Student opening present
Venus Fly Trap closed on a fly