We are told that moderate daily exercise could significantly reduce a number of diseases, including heart disease and cancer. Some activities that burn about 150 calories - the types of exercise defined as moderate - are noted below. Activities are ranked from 'less vigorous/more time' to 'more vigorous/less time'.

· Washing and waxing a car for 45 to 60 minutes

· Washing windows or floors for 45 to 60 minutes

· Playing volleyball for 45 minutes

· Playing touch football for 30 to 45 minutes

· Gardening for 30 to 45 minutes

· Wheeling oneself in a wheelchair for 30 to 40 minutes

· Walking 1.5 miles in 35 minutes

· Basketball (shooting baskets) for 30 minutes

· Bicycling 3 miles in 30 minutes

· Fast social dancing for 30 minutes

· Pushing a stroller 1.5 miles in 30 minutes

· Raking leaves for 30 minutes

· Walking 2 miles in 30 minutes

· Water aerobics for 30 minutes

· Swimming laps for 20 minutes

· Wheelchair basketball for 20 minutes

· Basketball (playing a game) for 15 to 20 minutes

· Bicycling 4 miles in 15 minutes

· Running 1.5 miles in 15 minutes

· Shoveling snow for 15 minutes

· Climbing stairs for 15 minutes