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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.
People about to have surgery must tell their health care providers about all supplements they take.
The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.