The predecessor of the toothbrush is the chew stick. Chew sticks were twigs with a frayed end used to brush against the teeth, while the other end was used as a toothpick.
Claims. Clean eating is supposed to benefit the body by aiding fat loss and weight loss, increasing energy levels, increasing mental well-being and improving skin clarity, hair strength and sleep quality. How It Works. Clean eating is more of a lifestyle than just a short-term diet. The main premise is that clean food is whole, unrefined food without additives or preservatives, artificial flavoring, artificial coloring and sugar substitutes. Nothing is off-limits as long as it's made of pure, unadulterated ingredients.
The Eat-Clean principles are: 1  Eat six small meals a day. 2  Eat breakfast every day, within an hour of getting up. 3  Eat lean protein and complex carbohydrates at every meal.  Have two or three servings of healthy fats every 1  day. Get fiber, vitamins, nutrients, and enzymes from fresh fruits and vegetables.  Control your portions.