Scientific tests show that muscle tension doesn’t increase when a person has a tension headache. According to the newer theories, the likelier cause involves neurotransmitter changes (brain chemicals) that includes serotonin – the same cause of a migraine. Contact Dr. Kal, our top Woodstock chiropractor at Advanced Health Solutions – GA Spine & Disc today at (770) 212-3991 If you’re having a tension headache and need chiropractic treatment in Woodstock.