AUTHOR=Nieuwenhuis-Mark Ruth E. TITLE=Healthy Aging as Disease? JOURNAL=Frontiers in Aging Neuroscience VOLUME=3 YEAR=2011 URL=https://www.frontiersin.org/journals/aging-neuroscience/articles/10.3389/fnagi.2011.00003 DOI=10.3389/fnagi.2011.00003 ISSN=1663-4365