Dr. Chi's unique Fingernail and Tongue Diagnosis method will help you identify early signs of diseases through the fingernails and tongue. For example, teeth marks on the tongue, white moons on only the thumbs, and clubbing nails may signify a serious condition. With this technique, you can start treatment early and prevent future complications.

Dr. Chi received his PhD in biochemistry from Rutgers University He is a board-certified naturopath, and the author of several published books and articles on his diagnostic technique and herbal formulas.