Francine Falk-Allen, a polio survivor, compares aging with living with a disability and finds they have a lot in common. Mobility, exercise, knowing your own limits, and when to ask for help are just a few of her issues. Plus, travel agent Sandra Lipkowitz suggests a 'starter' trip for those who have been housebound far too long.Brought to you by NEXTVillageSF.comNEXT Village SF is a neighborhood nonprofit providing services and support that empowers members to live independently.