Alcohol and drug addiction affects a great number of mature Americans and senior citizens, and this issue is projected to only worsen in the near and distant future. senior citizens whom are covered by the Medicare plan, an insurance plan provided by the federal funding for Americans in this age range, can use their benefits to receive critical rehabilitation treatment for substance abuse at an a myriad of drug and alcohol treatment programs throughout the Washington, California area. Medicare will cover the costs of both residential and outpatient alcohol and drug treatment centers, and senior Americans in Washington whom wish to take part in rehabilitation may contact their primary care doctor to choose a Washington, California drug treatment program that will accept Medicare which will be appropriate for them.