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,
The signs and symptoms of shingles usually affect only a small section of one side of your body. These signs and symptoms may include: 1  Pain, burning, numbness or tingling.2  Sensitivity to touch.3  A red rash that begins a few days after the pain. 4  Fluid-filled blisters that break open and crust over. 5  Itching.he signs and symptoms of shingles usually affect only a small section of one side of your body. These signs and symptoms may include: 1  Pain, burning, numbness or tingling. 2  Sensitivity to touch. 3  A red rash that begins a few days after the pain. 4  Fluid-filled blisters that break open and crust over.