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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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Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

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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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Women are 50% to 75% more likely than men to experience an adverse drug reaction.

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About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

The most abundant elements found in living organisms The most abundant elements found in living organisms
Elements Elements
Basic brain diagram Basic brain diagram
Basic bone anatomy. Basic bone anatomy.
A car wash reduced the price of a basic wash as a promotion and test of the market. With the ... A car wash reduced the price of a basic wash as a promotion and test of the market. With the ...
Major bone (tan) and cartilage (light blue) elements of the human skeleton. Inset shows regions of v Major bone (tan) and cartilage (light blue) elements of the human skeleton. Inset shows regions of v
Video: Spinal Cord Injury Animation

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