Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.
Did you know?
There are more sensory neurons in the tongue than in any other part of the body.
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The horizontal fraction bar was introduced by the Arabs.
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In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.
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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
