Physical fitness and activity such as sports, daily activities and even the running on a treadmill which done regularly can prevent atherosclerosis (heap of fat in the blood vessel wall). This is evident from an autopsy Boston marathon champion seven times, Clarence deMar, which shows the size of coronary blood vessel two to three times normal size and did not find any stenosis (constriction of blood vessel) even though a significant death in the age of 69 years. Physical fitness has benefit effect on reducing risk of atherosclerosis.Relationship...