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Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).
There are more sensory neurons in the tongue than in any other part of the body.
The familiar sounds of your heart are made by the heart's valves as they open and close.
There are more nerve cells in one human brain than there are stars in the Milky Way.
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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