Age, health on the ballot in Brazil's Bolsonaro-Lula runoff
One is a 67-year-old who has been in and out of hospital over the past four years for gastric problems.. The issue has gained prominence in a relatively young country -- median age: 32.8 -- where many voters are frustrated over the lack of new options, given that the clash pits the man who has led Brazil for the past four years against the one who led it for eight in the 2000s.