One part of keeping your heart healthy is keeping your arteries healthy. One thing that may help keep your arteries healthy is staying physically fit, even when you're still a teenager.

Many people who have implantable defibrillators to treat their irregular heartbeats are advised to take it easy when it comes to sports, but this recommendation may be overly cautious.

Simple everyday activities such as cleaning your house, gardening or biking may just give your heart a boost. When these physical activities are performed for more than a decade, enhanced heart health is the result.