For example, the cells in the kidneys are filters. They need minerals obtained from the foods we eat to do a good job. This is just like employees of an office who need paper, toner and other office supplies to do their jobs. Johanna encourages people to think about giving your cells “benefits” like “vacations in the sun with plenty of water, nourishing food and calm thoughts.” These are the keys to a healthy body and “sound business”!