By Bob Condor

This is no ordinary fish story. And it’s far from a tall tale.

Researchers at the University of Pittsburgh’ s Graduate School of Health have just published a new study showing that eating fish high in omega-3 fats might be the greatest protector against heart disease. Here’s why. Men in Japan consume, on average, 3.75 ounces of such cold-water fish as salmon, mackerel and tuna each day. American males, whether white or Japanese-American, eat less than two …