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,
Symptoms of Shingles: Introduction. Symptoms of shingles affect the nerves and the skin and can occur in almost any part of the body. However, shingles most often affects one side of the trunk. Symptoms generally begin with sensations of itching, tingling, and/or a severe burning pain in the affected area.The pain can be severe.ymptoms of shingles affect the nerves and the skin and can occur in almost any part of the body. However, shingles most often affects one side of the trunk. Symptoms generally begin with sensations of itching, tingling, and/or a severe burning pain in the affected area. The pain can be severe.