A tension headache is pain or discomfort in the head, scalp, or neck, usually associated with muscle tightness in these areas Tension headaches are one of the most common forms of headache. These generally occur when neck and scalp muscles become tense, or contract. The muscle contractions can be a response to stress, depression, a head injury, and anxiety.  Tension headaches are often associated with trigger points in the suboccipital muscles. For those of you that have a partner or friend to work with, here's a simple technique that is usually beneficial whether or not you succeed in hitting the exact...