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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.
The longest a person has survived after a heart transplant is 24 years.
More than 4.4billion prescriptions were dispensed within the United States in 2016.
According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.