Cocoa powder is displayed at the laboratory at the University of California, Davis in Davis, Calif. Carl Keen, whoserves as chair of the developmental nutrition program at UC Davis, a

 

              Cocoa powder is displayed at the laboratory at the University of California, Davis in Davis, Calif.  Carl Keen, whoserves as chair of the developmental nutrition program at UC Davis, a
Cocoa powder is displayed at the laboratory at the University of California, Davis in Davis, Calif. Carl Keen, whoserves as chair of the developmental nutrition program at UC Davis, a position funded by the candy giant Mars Inc., said his laboratory's findings have pushed science forward through establishing that nutrients in cocoa powder can lower heart disease risk.(AP Photo/Rich Pedroncelli)