"First do no harm" is as true of our fitness practice as it is a principle of the medical community; we should always evaluate new diets and exercise fads with this in mind. Example: An article says cinnamon may help control blood sugar and weight management, so you are thinking about adding it to your diet. There's no harm to it, so why not? Go ahead and add a teaspoon daily. But what if another article says to cut out a particular "evil" traditional food group like potatoes