Blood vessels become narrowed from fat , excessive consumption of white flour and white sugar. Over eating, obesity, diabetes is a proven major cause of Atherosclerosis.
Arterial blockage causes stroke and heart attack. Eliminate Sugar, salt, refined and processed foods, eat less saturated fat, keep blood sugar under control. It has been clearly demonstrated that white sugar & hydrogentaed fats, & white flour are prime causes of hardening of the arteries. Flax seed and olive oil help.