The parasympathetic nervous system (PNS) is part of what's called the autonomic nervous system. The PNS generally decreases physiological arousal. The other piece of the autonomic nervous system, the sympathetic nervous system (SNS), which we discuss in another section, increases physiological arousal.Between them, they handle the general housekeeping of the body and do so fairly automatically.he other piece of the autonomic nervous system, the sympathetic nervous system (SNS), which we discuss in another section, increases physiological arousal. Between them, they handle the general housekeeping of the body and do so fairly automatically.
Anywhere from 600,000 to a million people contract shingles in the U.S. each year. Twenty percent of shingles patients experience postherpetic neuralgia â persistent nerve pain. Shingles is a skin rash caused by the same virus that causes chickenpox.
The shingles rash forms blisters that tend to scab over in 7 to 10 days and clear up in 3 to 5 weeks. Pain is usually the first sign of shingles, which can arise anywhere from 1 to 5 days before the rash develops, yet some people experience the shingles pain, but never develop the rash. The pain can be mild for some and intense for others. In some instances, the pain may even be mistaken for a symptom of a disease that affects the heart, lungs, or kidneys. Other symptoms of shingles can include the following: A red rash that begins a few days after pain occurs.