Which of the following risk factors has the most immediate impact on a persons health

a) eating too much junk food
b) not excersing for 30 minutes a day
c) not wearing a seatbelt while driving
d) smoking cigaretts

i wanna say its (c) but im not too for

The patient had a wire localization performed by radiology and was taken to the operating room. under local anesthesia of the left breast was prepped and draped in a sterile manner. a breast line incision was made through the entry point of the wire, and a core of tissue surrounding the wire approximately 1x2cm was removed