You may have your blood pressure taken in your doctors office and have a healthy reading. But a little earlier or later in the day, your blood pressure may be into hypertension territory. If you have a high genetic risk of coronary artery disease, you may be able to reduce that risk if you adhere to a heart-healthy lifestyle. A diet rich in magnesium may help cut your risks of stroke, heart failure, type 2 diabetes and all-cause mortality. While statins continue to be an important weapon in the fight against high LDL (bad) cholesterol, a healthier diet makes an important difference, too.