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What causes constipation, muscle pain and muscle stiffness? 2 possible conditions

See a list of possible causes in order from the most common to the least.



Poliomyelitis, or polio, is a highly contagious disease that is caused by a virus that attacks the body's nervous system. It is most likely to be contracted by children under five years old.

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Parkinson's Disease

Parkinson's disease (PD) is a progressive neurological disorder. It first presents with problems of movement. Smooth and coordinated muscle movements of the body are made possible by a substance in the brain calle...

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