From the first point of the Nuremberg Code: 'The voluntary consent of the human subject is absolutely essential. This means that the person involved should have legal capacity to give consent; should be so situated as to be able to exercise free power of choice, without the intervention of any element of force, fraud, deceit, duress, overreaching, or other ulterior form of constraint or coercion; and should have suff…
They are free not to take it if they chose to do so, and accept the consequences of their actions like any adult would.