Clay may provide us with the earliest example of using the earth’s resources to solve medical problems. When placed on the skin, clay draws out toxins to the outside surface of the clay (adsorption). These toxins then enter into the clay and sit in between its layers (absorption). Therapeutic clay is a type of clay that swells in water and belongs to the smectite series. The smectite series includes Montmorillonite clay, a type of clay named after the Montmorillon region(...)