Advance medical directives are legal documents that put in writing an individual’s instructions about his or her future medical care. They are designed to help guide medical professionals, family members, and friends should the individual no longer be able to make medical decisions. Laws regulating medical directives vary by state, so it’s important to contact an attorney familiar with the requirements of the state in which your parents reside, or their county Area Agency on Aging, for help in putting their wishes in writing. Three types of advance medical directives available in most states are: