. >> reporter: joe gasperovic would take exception tohe ethical argument for withhding pensive medical treatment fo aging, failing aricans. he was born 1919, and would prefer to prolong his fe as long asossible. if they say we ne a $1,000 cat scando you... there is a( point, an age u reach where you should say no,i've lived 90 years? >> no, i want more. >> reporter: you want more years? >> everyby, nobody wants to die. >reporter: dr. weinberg says theecisions about the ethics of diributive justice for society as a whole e often much more difficulwhen the doctor is meetinwith a patient on-on-one. >> the healthare dollars, an inordinate aunt, go to taking care of people in their la six months of life. but how do yoknow when those last sixonths are? you have a person o has worked all their lif done well, paying taxes annow they are 80 and th have a heart attack. that y be the person who lives 10 or 15 moryears. are we gointo say no just cause of age? tht's a very, very slippe slope. >> reporter: there is a hu ethical discussion about w should make these e of life desions: the patient, th