Neck pain.  Good posture, exercises help.
D059350:Chronic Pain / Q000628:therapy; D006801:Humans; D052580:Muscle Stretching Exercises / Q000379:methods*; D019547:Neck Pain / Q000209:etiology / Q000628:therapy*; D011187:Posture; D012648:Self Care / Q000379:methods; D014481:United States