<span>The correct answer is A - hormone therapy reduces the interaction of hormones with healthy cells. Hormone therapy can be used for a variety of reasons, including cancer treatment, gender reassignment, or during pregnancy or the menopause. </span>
D. Cancer is the uncontrolled growth of human cells in the body.
I second guessed myself on this one, my original answer was C. Sorrt if this turns out wrong.
They help because you have accurate, up to date knowledge about yourself and your health, therefore, lowering your risks of becoming infected or sick.