What's the Deal with Detox Diets?

It seems everyone is talking about "detox" or considering a "cleanse." Toxins are said to be the problem, but when was the last time anyone explained what a detox, toxin or cleanse actually are?

What a Registered Dietitian Nutritionist Can Do for You

When you need food and nutrition information based on fact or need to know how a healthy diet improves health and fights disease—rely on qualified professionals in the field.