The American Psychological Association has several public interest blogs, including one focussed on older adults. This entry mentioned above is based on one of the APA Office on Aging's consumer education brochures, Memory and Aging. All aging related blogs are also archived here:

http://psychologybenefits.org/category/aging/http://psychologybenefits.org/category/aging/

Best to cut and paste the above link into your browser to ensure it works. An interesting bunch of information freely available...