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About
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Charcot-Marie-Tooth disease (CMT) is a group of inherited conditions that damage the peripheral nerves.
It's also known as hereditary motor and sensory neuropathy (HMSN) or peroneal muscular atrophy (PMA).
The peripheral nerves are found outside the main central nervous system (brain and spinal cord).
They control the muscles and relay sensory information, such as the sense of touch, from the limbs to the brain.
People with CMT may have:
The symptoms of CMT usually start to appear between the ages of 5 and 15, although they sometimes do not develop until well into middle age or later.
CMT is a progressive condition. This means the symptoms slowly get worse, making everyday tasks increasingly difficult.
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