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 (herpes zoster) occurs when the dormant chickenpox virus (varicella-zoster) is reactivated in your nerve tissues. Early signs of shingles include tingling and localized pain. Most, but not all, people with shingles develop a blistering rash. Typically, the shingles rash lasts two to four weeks, and most people make a complete recovery. Doctors are often able to quickly diagnose shingles from the appearance of the rash.