How many steps are you from dying?
No one can precisely predict how long you’ll live. But researchers at the Johns Hopkins University School of Medicine have come up with a way to predict if your heart is good to go for at least another 10 years. After examining the results of 58,000 cardiovascular stress tests performed on treadmills in medical clinics, cardiologists at Johns Hopkins have concocted a formula that can be used to predict your…