The sympathetic system is responsible for the 'flight or fight' response (increased heartbeat, sense of excitement, nervousness, anxiety). The parasympathetic system is responsible for the opposite-where youre in a calm and relaxed mode.he sympathetic system is responsible for the 'flight or fight' response (increased heartbeat, sense of excitement, nervousness, anxiety). The parasympathetic system is responsible for the opposite-where youre in a calm and relaxed mode.
1 Older adults and individuals with a weakened immune system are at greatest risk for developing shingles. 2  Shingles symptoms and signs include. 3  one-sided stabbing pain, 4  tingling, itching, burning, stinging sensation that precedes the appearance of the rash by a few days, 5  headache, 6  fever and chills, 7  nausea, 8  body aches,
Shingles can cause changes to your body that are mild and annoying or serious and debilitating. The first symptoms of shingles are usually tingling pain, a burning sensation, or itching. These symptoms can affect any part of the body, but commonly turn up on one side of the waist or one side of the face. A few days or more after the pain and itching start, a person with shingles develops blisters on the skin of the affected body part. This skin rash clears up in a few weeks.