Despite recent challenges, UnitedHealth Group continues its pattern of dividend raises. Healthcare giants sometimes pay decent dividend distributions, and UnitedHealth Group (UNH -2.24%) certainly falls into that category. In the wake of difficult circumstances, however, investors might wonder whether UnitedHealth Group's board of directors is willing and able to maintain the company's quarterly cash payouts. As it turns out, however, UnitedHealth Group remains committed to delivering healthy dividends. It' ...