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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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Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

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The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

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Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

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Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Electronic digital thermometers are accurate and easy to read. Electronic digital thermometers are accurate and easy to read.
Many electronic components are used to construct a typical vehicle computer. Notice the quantity of ... Many electronic components are used to construct a typical vehicle computer. Notice the quantity of ...
The throttle pedal is connected to the accelerator pedal position (APP) sensor. The electronic ... The throttle pedal is connected to the accelerator pedal position (APP) sensor. The electronic ...
Schematic of a typical electronic throttle control (ETC) system. Note that terminal #5 is always ... Schematic of a typical electronic throttle control (ETC) system. Note that terminal #5 is always ...
Change in Bone Mass over Time In your early years, more bone mass is added than lost in your body Change in Bone Mass over Time In your early years, more bone mass is added than lost in your body
How to verify that a triangle is a right angled triangle How to verify that a triangle is a right angled triangle
Video: Acid-base imbalances - metabolic acidosis and alkalosis

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