Despite the existence of Medicare and Social Security, millions of senior citizens continue to live in poverty in this country. For many, however, benefits do exist to ease their financial burdens- if only they were aware of such benefits. Estimates are that $20 billion worth of assistance for senior citizens is unclaimed each year. The National Council on Aging has an online guidebook to help seniors and their caregivers become better educated about the discounts, vouchers and other sources of assistance for which they may be eligible.  Want to learn more? Read This.