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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The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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Asthma cases in Americans are about 75% higher today than they were in 1980.
In 1879 an army officer founded the Carlisle School in Pennsylvania to “civilize” young Indians. The
Successful male musical groups may owe some of their popularity among preteen girls to adrenarche.
Looking carefully at the scan tool data is very helpful in locating the source of a problem.
Data Used to Analyze Productivity in Country 1 and Country 2
How does PCA reduce the dimension of a statistical problem? How do you select the reduced ...
Microarray procedure for analyzing gene expression in normal and cancer cells