Multiple sclerosis is a potentially disabling disease of the brain and spinal cord (central nervous system).
In Multiple Sclerosis, the immune system attacks the protective sheath (myelin) that covers nerve fibers and causes communication problems between your brain and the rest of your body.
Eventually, the disease can cause permanent damage or deterioration of the nerves.
Some people with severe Multiple Sclerosis may lose the ability to walk independently or at all, while others may experience long periods of remission without any new symptoms.
The first symptoms of the disease usually appear between the ages of 20 and 40, and most ly women get sick.
Multiple sclerosis signs and symptoms may differ greatly from person to person and over the course of the disease depending on the location of affected nerve fibers. Symptoms often affect movement, such as:
- Numbness or weakness in one or more limbs that typically occurs on one side of your body at a time, or your legs and trunk
- Electric-shock sensations that occur with certain neck movements, especially bending the neck forward (Lhermitte sign)
- Tremor, lack of coordination or unsteady gait
- Partial or complete loss of vision, usually in one eye at a time, often with pain during eye movement
- Prolonged double vision
- Blurry vision
- Slurred speech
- Fatigue
- Dizziness
- Tingling or pain in parts of your body
- Problems with sexual, bowel and bladder function
The cause of multiple sclerosis is unknown.
Among the causes can be genetic predisposition, frequent illness with viral and bacterial diseases, poisoning with toxic substances.
According to doctors, the development of multiple sclerosis is facilitated by vitamin D deficiency in the body and some autoimmune diseases. A combination of genetics and environmental factors should also be considered.
However, treatments can help speed recovery from attacks, modify the course of the disease and manage symptoms.
People with multiple sclerosis may also develop: Muscle stiffness or spasms; Paralysis, typically in the legs; Problems with bladder, bowel or sexual function; Mental changes, such as forgetfulness or mood swings; Depression; Epilepsy.
Source:
https://www.mayoclinic.org/diseases-conditions/multiple-sclerosis/symptoms-causes/syc-20350269