This interferes with transmission of the messages and prevents the muscles from responding fully. Scientists do not yet understand how this process starts. In some cases tumors of the thymus appear to play a part. The thymus has an important role in the immune system, helping train white blood cells, which produce antibodies, about the distinction between self and nonself. Incidence Myasthenia gravis is a rare disease.
Women are more likely to be affected than men.
It can develop at any age, but usually appears between the ages of 20 and 40. Symptoms you are likely to notice Muscle fatigue , drooping of upper eyelids, and double vision usually are the first signs of myasthenia gravis. Difficulty in swallowing and in pronouncing words may also occur. As the disease progresses, weakening of the diaphragm may make breathing difficult. Symptoms your physician may observe Rest lessens the muscle fatigue of myasthenia gravis.