

Exercise: How much is enough?
Physical activity is potent medicine, and it doesn’t take all that much of it to derive the maximum cardiovascular benefit. You don’t need to run a marathon, climb Mount Everest, or bench press more than Dwayne “The Rock” Johnson. In fact, as little as 30 minutes or jogging twice weekly is enough to lower your cardiovascular risk. A brisk walk for 1 hour for 5 days per week can be enough to lower your heart risk as well. For most people who want improved health, general sense