Dr. Kristal maintains a busy Metabolic Typing practice at Metabolic Nutrition, his practice in San Rafael, California. He also teaches several Metabolic Typing seminars each year to health professionals, both in the U.S. an in Europe, has been interviewed on several radio and television shows, and has spoken before various health groups. He has also published numerous articles on nutrition and Metabolic Typing.
A long-time student of nutrition and health trends, James M Haig, B.A. Hons., N.C. is a nutritionist, health educator, and health writer living and working in Marin County, California. He has studied and practiced Metabolic Typing with Dr. Harold J. Kristal since 1998. When not involved in his nutritional pursuits, James likes to get lost in the hills near his home in Northern California.
![Cover of The Historical Works of Sir James Balfour. Published from the Original Mss. Preserved in the Library of the Faculty of Advocates. [Edited by James Haig. with a Prefatory Memoir Taken from the Memoria Balfouriana of Sir Robert Sibbald.]](https://images.bookhype.com/covers/2a/88/915771f5-e04e-4969-b778-c818262588a2/9781241415662-9953aba03f226428e626a7-medium-cropped.jpg)
