The number of Americans over age 65 and age 85 will double and triple, by 2050, respectively; and many of these seniors will want to stay in their homes as long as possible.  In today's show, Shannon Jones interviews Mark Switaj, CEO of Roundtrip, a  privately held investment with our sister company, Motley Fool Ventures, to discuss aging in place and why investors ought to be paying attention. Also, healthcare investor Todd Campbell joins Jones to highlight a handful of companies that could benefit big from this emerging trend, including LHC Group, Teladoc, and Livongo Health. Stocks: LHCG, TDOC, LVGO, ADT, AMZN, CVS