In some cases walking can be more effective than running. Scientists at the Lawrence Berkeley National Laboratory in California, found that brisk walking reduces the risk of heart disease more effectively than running. They observed participants aged between 18 and 80 over a six-year period and found that walking reduced the risk of heart disease by 9.3%, while running reduced it by 4.5%. Just 30 minutes a day can make a difference in your health. The best part about walking