Which of the following is the most preventable cause of disease and death in the U. S.?

smoking,high blood pressure and being overweight

Explanation:

this is because smoking leads to lung cancer which can kill you ,high blood pressure because if you are stressed so much you blood pressure will rise and can cause heart attack ,overweight can the heart to stop pumping blood due to too much fat and can cause heart attack which can end up killing you

true child development specifically