Dr. McCollough received his B.S. in Pre-med from Louisiana State University, a Masters degree in Health and Adaptive Physical Education from University of Louisiana at Lafayette, and his Doctor of Chiropractic from Texas Chiropractic College.

He completed a specialty in Internal Diagnosis and Preventive Medicine and is a Board Certified Chiropractic Internist, one of only 200 in the United States. He currently serves as president of the American Chiropractic Association's Council on Diagnosis and Internal Disorders.

He practices natural medicine in Houston, Texas using botanical medicine, nutrition, homeopathy, acupuncture, diet and physical medicine in combination with some of the most high-tech diagnostic equipment available today to form a unique combination for highly effective and non-toxic non-surgical treatment methods.