Final answer:
Multiple Sclerosis (MS) is an inflammatory disease that progressively degrades myelin sheaths from the feet to the head. It affects the ability of neurons to communicate and causes a range of symptoms including physical disability and cognitive deficits.
Step-by-step explanation:
Multiple Sclerosis (MS) is the disease that progressively degrades myelin sheaths from feet to head. MS is an inflammatory disease of the myelin sheath that insulates neurons in the brain and spinal cord. The breakdown of this insulator erodes the ability for neurons to communicate and results in a wide variety of symptoms, ranging from physical disability to psychiatric and cognitive deficits