Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).
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There are more sensory neurons in the tongue than in any other part of the body.
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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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Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.
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Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.
Elephantiasis in a human leg.
Drugs and Human Behavior
Human chromosomes. (A) Female. (B) Male.
Human Anatomy
Systems of the Human Body
Some of the major nerves of the human nervous system
