Beer, a health food? That's what some Canadian researchers report. A study from the University of Western Ontario finds a brew could be good for you. The researchers say beer has antioxidant boosters that could help fight cancer, heart disease and &to=http://english.pravda.ru/main/2002/07/02/31606.html' target=_blank>diabetes. But the key is moderation. The researchers found three beers would have the opposite effect, reports the News Day.