David A. Fryxell has been the author of Brain Power & Nutrition since its inception (2015), and Healthy-Aging Diet, since its inception with the 2017 edition. He has been a health writer and editor since 2004, including 12 years as managing editor of the Tufts University Health & Nutrition Letter and five years as co-author of Heart-Brain Diet. He currently contributes to the Women’s Nutrition Connection newsletter. He founded and edited Family Tree Magazine, was editor-in-chief of Writer’s Digest Magazine, was Writer’s Digest‘s Nonfiction columnist for more than a decade, and directed the Maui Writers Retreat. He is the author of seven books, most recently The Family Tree Guide to Scandinavian Genealogy and MicroHistory. He lives in Tucson, Arizona.