A headache may be simply defined as a mild to severe pain that occurs in one or more areas of the head or even in the neck. Some types of headaches include migraines, tension, cluster, dural, sinus and exertional. Headaches may be treated using medication, acupuncture, mind-body techniques, nutritional therapies, herbal medicine, aromatherapy, homeopathy, massage, chiropractic and breathing techniques.