Genetics play a role in eating disorders sometimes. If a person has an eating disorder it could be because of genetics. I would say it's a 50/50.
The significance in thickness between the two is due to the different amount of pressure exerted on the walls of the heart. The left ventricle has a thicker wall because the blood must be pumped throughout the entire body (oxygenated blood), unlike the right ventricle, where blood is pumped simply to the lungs to be oxygenated (pulmonary system).
what exactly are you asking here that seems to be a statment
That's history not health
