If you haven't tried one of these popular diet trends, you've sure known someone who has. In fact, even a few at that. There's a reason for "diet-hopping," where pure fascination or "success" stories from friends and family compel us to try something new to detox and see how we feel. Experimentation is an adventure. However, are these diets safe? Are they good for us? Effective? It's important to know the dangers of diets before embarking on them, as there can be serious consequences. And, even if the diet isn't harmful, it could be ineffective, which would be a total waste of time (and enjoyment of certain foods!) all for nothing . Luckily, here's a cheat sheet as to which diets might be worth the investment and should be avoided, instead.