" researchers recognized that nearly any diet can cause weight loss at least short term, but the ends don’t always justify the means. Their challenge was to design a “nutritionally sound” diet “conducive to a lifelong pattern of healthful eating.”3074 To that end, the diet encourages people to eat more high-bulk, calorie-dilute foods (vegetables, fruits, whole grains, and beans) and fewer energy-dense foods (meats, cheeses, sugars, and fats). "

― Michael Greger , How not to diet