Alan C. Logan, ND, FRSH is a board-certified naturopathic physician licensed in Connecticut. He graduated magna cum laude from the State University of New York at Purchase, and as valedictorian from the Canadian College of Naturopathic Medicine. As an invited faculty member of Harvard's School of Continuing Medical Education, he lectures in the mind-body medicine courses offered at Harvard. Co-author of The Clear Skin Diet (SourceBooks, 2007), he is the only naturopathic doctor to have his commentaries published in the four leading dermatology journals — Archives of Dermatology, the International Journal of Dermatology, the Journal of the American Academy of Dermatology and the British Journal of Dermatology. Widely regarded as one of North America's leading cosmetic nutritionists, he has been featured in health and beauty magazines such as Cosmopolitan, Elle, W, Life & Style, as well as CTV and Global National Canadian television.