Advances in medical science have made it possible to technically keep someone alive indefinitely. In the case of permanent unconsciousness, food and water can keep someone alive. Either way, the situation can place an enormous burden—both emotionally and financially—on the person’s loved ones. A living will is a simple document that lets you explain your wishes for medical treatment in the event you are unable to express them yourself. Learn more about living wills, making and using a living will, other health care forms, and more.