Detoxes and cleanses have become so mainstream, you may feel like you're doing something wrong if you haven't tried at least one. But the truth is detoxes and cleanses aren't right for everyone, and they can even backfire. The key to reaping the rewards is finding what works, and doesn't work, for you. Here are five dos and don'ts, and real-life lessons I've learned from my clients. Some of them may just surprise you.