By Kirk Miller If you’re really worried about living a long and healthy life, you should exercise much more than the current recommendations for physical activity, according to a new study by the American Heart Association’s publication Circulation. Currently, physical activity guidelines for Americans last made in 2018 recommend a minimum of 150-300 minutes per week of moderate physical activity (MPA), 75-150 minutes per week of vigorous physical activity (VPA) or “an equivalent combination of both.” While people exercising at those levels did see a noticeable decrease in mortality risk, exer…