If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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There are more sensory neurons in the tongue than in any other part of the body.
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Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.
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Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.
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Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
The pituitary gland lies just underneath the brain. It is subdivided into anterior and posterior lob
Brain
Nicotine and Dopamine Release in the Nucleus Accumbens