Americans saw an average drop of 61 percent in heart disease deaths over the past 40 years. The decline, however, varies with some counties in the South seeing only a 9 percent decline in heart disease-related mortality.
Americans saw an average drop of 61 percent in heart disease deaths over the past 40 years. The decline, however, varies with some counties in the South seeing only a 9 percent decline in heart disease-related mortality.