that he received sparked protests in oakland. don't get sick! if you do, you should know there's a health care crunch facing our nation's seniors. at a time when the u.s. is growing older, the number of doctors who specialize in treating the elderly is on a decline. skies stegall is live in los angeles. you and i don't have to worry about it quiet. how serious is this shortage and when will we need to worry about it, what age? >> reporter: very serious. really we should all be worrying about it now despite not needing this particular type of care yet we are all going to need it some day, especially when you consider americans over 85, the fastest growing population. it is expected to double in the next 20 years from 35 million to 70 million. and the shortage is in part because of that also, geriatrics not viewed as a glamorous job in terms of all the specialties out there and the pay isn't that great.