Beer is Healthy?

"Dark beer is rich in flavenoids which have powerful anti-oxidant effects, combating the build-up of fatty deposits in the arteries, said Professor John Folts, director of the Coronary Thrombosis Research Laboratory at the University of Wisconsin. Light-coloured beers, such as lagers, lacked the same health-giving punch..."

So if you see me over at Bargo Malate drinking a Cervesa Negra tonight, you know why. Is Cervesa Negra guiness? Or is it still lager beer?