We literally are what we eat as our food and water provide the constituents for the life cycle of our cells. We are constantly changing on a cellular level.
It can shift our perspective on what we eat and drink when we pause to ask ourselves if we really want our next round of tissues to be made of this? If your hair lacks luster, your skin does not appear bright and your tongue is not pink and smooth, consider the perspective of Yoga that teaches your body is a covering made of food. What are you made of lately?