Laser Acupuncture for Chronic Migraine

Laser stimulation energy of 4.5 J for 30 seconds at each of the following acupoints: bilateral Cuanzhu (BL2), Fengchi (GB20), Taiyang (EX-HN5), Shuaigu (GB8), Hegu (LI4), Taichong (LR3) and midline Yintang (EX-HN3)

"Sham treatment with no laser output, stimulate the same acupoints as laser acupuncture group as follows: 30 seconds at bilateral Cuanzhu (BL2), Fengchi (GB20), Taiyang (EX-HN5), Shuaigu (GB8), Hegu (LI4), Taichong (LR3) and midline Yintang (EX-HN3)~After \> 6 months followed up, the sham group received truely Laser stimulation energy of 4.5 J for 30 seconds at each of the following acupoints: bilateral Cuanzhu (BL2), Fengchi (GB20), Taiyang (EX-HN5), Shuaigu (GB8), Hegu (LI4), Taichong (LR3) and midline Yintang (EX-HN3), and followed up for another 3 months."