Tobacco Dependency
Smoking which is considered more addictive than cocaine contains over 4,000 chemicals of which 50 of them cause cancer such as carbon monoxide, benzene, cyanide, ammonia, nitrosamines, vinyl chloride, radioactive particles and if we were to take nicotine in its liquid form a drop the size of a pinhead would be enough to kill us and to that is what it does to over 3 million people worldwide every year.  This drug is responsible for more deaths even when you combined alcohol, drugs, suicide, traffic accidents and murder. 
Sure you might think to yourself this is the consequence of those who smoke but of this there are 40,000 people who have never touched a cigarette and yet through second hand smoke 40,000 people though lung cancer die yearly. 

Smoking causes 33% of all cancer deaths and many more diseases such as, angina, cataracts, arteriosclerosis, diarrhea, emphysema, impotence, mouth and throat cancer, heart diseases, circulatory problems. 
Female smokers tend to reach menopause earlier then non smokers they are at higher risk of developing osteoporosis, cancer in the uterus, and cervix. They are also less fertile and have more problems during pregnancy; they have more birth defects, miscarriages and stillborn then non smokers. Their babies are three times more likely to die of SIDS (sudden infant death syndrome) also they are at risk of developing brain cancer and leukemia. 

Take 200 mg. twice a day of coenzyme Q10 this is a powerful antioxidant that protects the lungs, the heart and increases oxygen to the brain and a further 20,000 mg of Vitamin C.
Ginger and lobelia prevent nausea and helps quitting reduces anxiety ginger produces perspiration which helps to shed toxins generated from smoking.

Treatment For Cravings