1. Genetic research is providing new information about the structure and function of genes associated with diseases such as Alzheimer's disease. 2. The ability to perform genetic tests to diagnose or predict disease often exists before the ability to prevent or treat disease. 3. Genetic tests are associated with both benefits and risks, which likely will apply to the Alzheimer's disease population. 4. Safe and effective tests, laboratories of assured quality, competent providers, assured privacy of genetic information, and informed consumers are important prerequisites to the successful integration of genetic tests into health care services.