This leaflet discusses alcohol and other drug abuse prevention for individuals with hidden disabilities such as cancer, epilepsy, diabetes, kidney failure, hemophilia, hypertension, early stages of acquired immune deficiency syndrome (AIDS), or heart disease. Their increased risk for alcohol and other drug abuse and reasons for increased risk are noted. Suggestions are offered to improve program access for individuals with hidden disabilities and to bring about positive interactions with this population. Four myths about individuals with hidden disabilities are noted and dispelled with factual information. Sources of additional information are listed, including four government agencies, thirteen organizations, three community contacts, and five references. (JDD)