Book excerpt: Issues in Geriatric Medicine and Aging Research: 2013 Edition is a ScholarlyEditions™ book that delivers timely, authoritative, and comprehensive information about Geriatrics and Gerontology. The editors have built Issues in Geriatric Medicine and Aging Research: 2013 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Geriatrics and Gerontology in this book to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Issues in Geriatric Medicine and Aging Research: 2013 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.