<prompt> The benefits of stopping smoking before surgery are all exceptBetter wound healingBetter mucociliary clearanceBetter bone healingLess risk of malignancies associated with smoking  <response>: Answer- D. Less risk of malignancies associated with smokingAcute smoking has been associated with increased ST depression during anesthesia.Decreased risk ofgraft failure.Decreased wound related complications such as dehiscence and infection.Increased rate ofbone healing.Reduced length of admission.Permanent smoking cessation reduces the risk ofhea disease, stroke, cancer and premature death 