There are many causes for headaches and there are several different types.

Some of the more common causes of headache are: tension, stress, eye strain, jaw misalignment, vertebral misalignment in the neck, low blood sugar, cranial misalignment, bowel toxicity, allergies, sinus congestion, toothaches, and hormonal imbalance.

DRT shows us what the root cause of the headache is. Headaches can sometimes clear in a matter of a couple of minutes even for people who have suffered with headaches for years.