Meningitis is an infection of the tissue layers surrounding the brain and spinal cord. Pathogens such as HI bacteria, pneumococci, meningococci, viruses and fungi can cause meningitis. Lumbar puncture is the most important method to diagnose meningitis.

Peripheral polyneuropathy is a common disease in people who exercise regularly or have to do heavy work. If not detected early and treated properly, the disease can leave many long-term sequelae, affecting the patient's health and daily life.