1. Migraine
Antidepressants for chronic headache and cluster headache. Subcutaneous sumatriptan (new systematic review) Treating tension headaches. Physiotherapy and manipulation for tension headache. Spinal manipulation for headache disorders.
http://www.jr2.ox.ac.uk/bandolier/booth/booths/migraine.html

2. How to Get Permanent Relief From Chronic Tension Headaches
I would highly recommend that anyone who suffers from chronic tension headaches avail themselves to this remarkable treatment. Simply put, tension headaches come from muscle tension in your neck, shoulders and upper back.
http://www.tensionheadaches.com/

3. Paincare.net - What You Should Know About Tension-Type Headache
Tension headache can occur at any age, but chronic tension-type headache is rare in children. The most common type of headache is tension, or muscle contraction, headache. Chronic tension-type headache generally develops between the ages of 20...
http://www.paincare.net/html/tension_type.html