Clinical literature implies that the next crimson flags enhance the probability of identifying a secondary etiology:  Exploration indicates that infrequent tension headaches may be caused by the activation of hyperexcitable peripheral afferent neurons. These are specialised neurons, or nerve cells, that relay sensory info from pain receptors in the body towards https://www.theorthopaedicandpainpractice.com/chronic-neck-and-shoulder-pain-relief-strategies-to-reduce-discomfort-2/