The CRON-diet (Calorie Restriction with Optimal Nutrition)[1] is a nutrient-rich, reduced calorie diet developed by Roy Walford, Lisa Walford, and Brian M. Delaney.[2] The CRON-diet involves calorie restriction in the hope that the practice will improve health and retard aging, while still attempting to provide the recommended daily amounts of various nutrients.[3] Other names include CR-diet, Longevity diet, and Anti-Aging Plan. The Walfords and Delaney, among others, founded the CR Society International to promote the CRON-diet.[4]
Brian M. Delaney, President of the CR Society since its early days, was one of several who created the Society. The Society was born in late 1994 when Steven Mehalek (who had the idea to meet), Rupert Hazle, Terry Savery, Lisa Walford, Roy Walford, and Brian M. Delaney got together at meeting of the Academy of Anti-Aging Medicine in Las Vegas.