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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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.
Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.
The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
More than 4.4billion prescriptions were dispensed within the United States in 2016.