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Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.
Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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.
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.