In this study of 15 patients under chiropractic care, six patients reduced their medications and one stopped them entirely. This represents a 46.67% decrease in the need for medication while under chiropractic care. All patients reported satisfaction with their chiropractic care. However the lead author, Dr. Jamison concluded that respiratory function appeared to be unaffected by chiropractic adjustments.
Jamison J et al J Aust Chiro Assoc., 16(4):137-143, 1986.