Exercising, even moderately, can significantly reduce the risk of metabolic syndrome, a condition that increases heart disease and diabetes risk, among older adults, according to a study.The six-month study involved over 100 people between the ages of 55 and 75. Half were "prescribed" exercises ranging from weightlifting to walking, which were performed for one hour, three times a week. The other participants were given a booklet that encouraged increased activity to promote good health.Some 43 percent of participants had metabolic syndrome when the study began. At the end of six months, the following results were observed among the...