Just 20 minutes of brisk walking a day may be all it takes to lessen a sedentary person's risk of early death, says a new study. The researchers also found the risk of early death due to lack of exercise is double that posed by obesity and does not necessarily depend on being obese or overweight.
Prof. Ekelund says the study delivers a simple message: "just a small amount of physical activity each day could have substantial health benefits for people who are physically inactive." However,…