Which Is a Correct Statement About Diet, Exercise, and Disease

Which is a correct statement about diet, exercise, and disease?

A) Type II diabetes is a disorder that can't be controlled by a change in diet or exercise.
B) Hypertension is a major disease associated with lack of exercise and an unhealthy diet.
C) Heart attacks are due to factors such as a lack of diet and exercise but are not due to genetics.
D) Increased exercise and a better diet can clear away all HDL and LDL cholesterol from blood vessels.