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There are more nerve cells in one human brain than there are stars in the Milky Way.
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According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.
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The human body produces and destroys 15 million blood cells every second.
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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.
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Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.