AdvertisementHealth Problems Compound For Aging HomelessMarch 13, 2013Pam FesslerfacebookEmailTony Lithgow, 49, and Andrea Mayer, 51, live together on the streets of Baltimore. Researchers say the aging homeless population is due to younger baby boomers who came of age during the 1970s and '80s, when there were back-to-back recessions. (NPR)