David Juan, MD has a distinguished reputation as an authority on nutrition, vitamin D and calcium metabolism, hormones, and medical research. His 30 years of clinical experience, 12 years of medical school teaching experience, and medical degree from the University of Pennsylvania give Dr. Juan a leading edge in his expertise. He is well versed in both traditional and alternative medicine and has written and researched breakthrough papers on a variety of medical subjects. Dr. Juan is currently on the staff of a holistic pain relief center in San Francisco and he lends his experience to The Vitamin Doctor.
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