http://www.aarp.org/families/caregiving/caring_parents/a2003-10-27-caregiving-needhelp.html
As people age, their needs and abilities change. We all want to support our older loved ones' desire to live independently, even when we have concerns about their safety and well-being. But how do we know when it's time to step in? The American Association of Retired Persons offers some suggestions to help you assess the situation.