evidence: * Difficulty with eye muscles and vision * Difficulty swallowing, speaking, or chewing * Pricking or pins and needles in the hands and feet * Pain that can be severe, particularly at night * Coordination problems and unsteadiness * Abnormal heartbeat heartrate, or blood pressure * Problems with digestion and/or bladder control [...] The first symptom is usually weakness or a tingling feeling in your legs. The feeling can spread to your upper body. In severe cases, you become almost paralyzed. This is life-threatening. You might need a respirator to breathe. Symptoms usually worsen over a period of weeks and then stabilize. [...] An autoimmune disease of peripheral nervous system that causes body's immune system to attack part of the peripheral nervous system.