The<unk>  (Calorie Restriction with Optimal Nutrition) is a nutrient-rich, reduced calorie diet developed by Roy Walford, Lisa Walford, and Brian M. Delaney. The<unk>  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. 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<unk> .
CRON-diet
BRAT diet
Scarsdale diet
MIND diet
Feingold diet
Stillman diet
DASH diet
Cotton ball diet