One more thing everyone should know about Myasthenia Gravis is that is an autoimmune problem. The goal of the healthy immune system is to fight the foreign bodies dangerous for human organism. However, the autoimmune disorder means your immune system getting confused enough to start attacking the healthy tissues instead of destroying the parasites. We all need acetylcholine to provide effective communication between the nerves and muscles to have our organism function properly. People lose this neurotransmitter substance when they face conditions like MG. that’s why our body starts feeling weaker like running out of energy and strength.