Dr. John Tickell

John Tickell, M.D., is an international medical expert who has spent the past twenty-five years researching the health, well-being, and longevity patterns of the longest-living people in the world. He lives in Australia with his wife, Sue, and is a proud father of five and grandfather of multiple grandchildren.

John Tickell, M.D., is an international medical expert who has spent the past twenty-five years researching the health, well-being, and longevity patterns of the longest-living people in the world. He lives in Australia with his wife, Sue, and is a proud father of five and grandfather of multiple grandchildren. See less