What is the disease of many nerves?

The disease of many nerves is polyneuropathy. Polyneuropathy is a condition that affects the peripheral nerves, which are the nerves that carry signals from the brain and spinal cord to the rest of the body. Polyneuropathy can cause a variety of symptoms, including numbness, tingling, pain, weakness, and muscle atrophy. There are many different causes of polyneuropathy, including diabetes, alcohol abuse, vitamin B12 deficiency, and autoimmune disorders. Treatment for polyneuropathy depends on the cause of the condition.