The older population, defined as those 65 years and older, has been steadily increasing as a percentage of the total population since 1900. Currently, it constitutes 13% of the population. The United States Bureau of the Census predicts that the elderly will represent 20% of the U.S. population by 2030. The older population itself is getting older, with greatest percentage increases in the subgroup of elderly over 85 years of age. This segment of...