Nicotine significantly hinders bone healing and smoking can complicate the recovery from general anesthesia.
Healthy weight, good nutrition, exercise and hygiene are also important when it comes to surgery.
And yet that isn’t completely true. There are plenty of smokers operated on who do just fine. Anytime surgical results go south they always look for something or someone to blame. Example operating on people over sixty five doesn’t have as good an outcome as operating on someone younger.
Watch out folks this is another step along the way to denying health care to those who are too old. They will mandate euthanasia