Smokers are more than likely going to develop a ton of ailments including cancer, heart disease, a host of lung issues but an organ a lot people forget about associated with smoking is the pancreas. The pancreas is just like the rest of its neighboring organs in the GI tract. It has many purposes, but filtration is a main function. Cigarettes are full of toxic chemicals the body needs to constantly filter out. A lot of smokers drink socially and on a regular basis. They also tend to be on a lot of medications due to smoking. This bad habit is trouble for the pancreas.