Professional medical literature indicates that the following pink flags boost the chance of figuring out a secondary etiology:  Analysis indicates that infrequent tension headaches might be brought on by the activation of hyperexcitable peripheral afferent neurons. They're specialised neurons, or nerve cells, that relay sensory facts from pain receptors in the https://www.theorthopaedicandpainpractice.com/chronic-neck-and-shoulder-pain-relief-strategies-to-reduce-discomfort-2/