How rare is it for an 18 year old to have a heart attack?

The left and the right side of the heart are separated by walls called Septums. There are four chambers of the heart. Two atriums and two ventricles. The atriums are separated by the Atrial septum, and, the ventricles are separated by the Ventricular septum.

Pakistani doctors says bypas its not possible in pakistan because bypas is dangerous.my father heart 3 veins blockage 1 100% 2 80% 3 70% blockage.. please help me..

People with heart conditions should avoid oily food. But for consumption in regular diet, peanut or groundnut oil can be used for cooking, in moderate amount.