Recently diagnosed with hypertension, Mila has joined exercise classes at her local YMCA based on her doctor’s recommendations. In addition to these new classes, Mila has also begun using nicotine patches to assist her to quit smoking. Mila’s doctor feels that if she quits smoking and begins to exercise, this will prevent her hypertension from worsening and may improve her overall health. What type of preventative medicine is Mila taking part in?

a) primary
b) secondary
c) tertiary
d) quartenary