Several recent population-based studies reported that healthy lifestyles could decrease cardiovascular events (heart attack and stroke) and decrease death. Swedish researchers studied healthy lifestyles in over 20,000 men, aged 45-79 who had no known heart disease.  Each of five healthy lifestyles (healthy diet, no smoking, regular exercise, two or fewer alcoholic drinks per day and having a small belt size) incrementally lowered the risk of heart attack, and those that adhered to all five,...