|
|
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.
The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.
The longest a person has survived after a heart transplant is 24 years.
Your heart beats over 36 million times a year.
![Paland and Lynch demonstrated the importance of sexual reproduction in reducing the frequency of mal](https://biology-forums.com/gallery/47/medium_33_01_08_11_10_39_57_1284692.jpeg)
![This young boy with muscular dystrophy needs to receive tube feedings and home nursing care. He atte](https://biology-forums.com/gallery/47/medium_14755_30_09_12_4_32_25_9134396.jpeg)