Another effect of too much smoking is having stinky and smelly hair. The smoke sticks up to your hair, so even if you wash it off, the unpleasant smell will stay in there. Your scalp will absorb the smell, so indeed, smelly hair is really an effect of excessive smoking.
Studies revealed that smokers has a 30-40% higher tendency to have the type 2 diabetes, this is because of the tobacco which has chemicals which reinforces glucose. On individuals who have diabetes already, smoking just heightens and worsens the effects. Nicotine in tobacco increases the risk of diabetes side effects, such as blindness, nerve damage, kidney failure and the likes.