Can you slim down by eating ice cream every day? According to an optimistic 1946 book, probably! Today we’re talking about Ice Cream Diets, a too-good-to-be-true weight loss plan in which author Marion White argues that more ice cream is the key to health and wellness, possibly ice cream as part of every meal. We’ll discuss our favorite local places to find this superfood,  other fad diets that have popped up over the years, and the ways that various industries have sought to put their thumbs on the scale of American consumption habits through PR campaigns and sponsored studies on this tempting new #brattlecast.