There are thousands of poisons in cigarettes. They include:
Tar: a sticky substance which infects the lungs and deposits itself in the arteries. Normally tar is derived from coal and is the residual remnant after crude oil is purified. It is used for laying roads
Carbon monoxide: deadly fumes of car exhausts. It is a fossil burnt gas and responsible for depleting the ozone layer
DDT: banned insecticide and a deadly carcinogenic
Acetone: is commonly found in nail polish remover
Ammonia: it is a component of many cleaning products
Butane: commonly found in lighter fluid
Hydrogen Cyanide: used as a poison
Polonium (radioactive): radioactive compound which causes serious tissue damage.
Nicotine: this is also used in bug sprays. This compound is responsible for causing addiction to cigarette smoking. Nicotine makes the smokers feel alert and increases the blood pressure.
Heavy metals like nickel and cadmium which act as neurotoxins.
Other than these there many other carcinogens which are found in the cigarette and cigarette smoke.
All cigarettes are poisonous, even the “lite” or medium or low tar types. Health damage caused by cigarettes include cancer of the lung, throats, mouth, and organs like kidneys, stomach , pancreas, etc. Toxic smoke released into the lungs damage cilia, which is responsible for removing dust and germs from the lungs. Tar sticks to and gets deposited in the lungs like soot, and causes damage over time. Smoke also irritates lungs and decreases lung capacity over time.
Chemicals also stick to the walls of the blood vessels and can result in deposit of fat and cholesterol which can lead to increased likelihood of heart diseases.
Chemicals and gases listed above may enter your blood stream and cause damage to other tissues and organs. With each cigarette you smoke more toxins are released into your system. With time, smoking affects all organs like your heart and lungs. Smoking is a factor in causing high blood pressure, stroke impotence and other heart disease. It also slows down your blood flow by narrowing your arteries.
Cessation of smoking causes withdrawal symptoms. There are many products available in the market to help quit smoking. These include nicotine patch, gum, lozenge, and inhalers that replace some of the nicotine in cigarettes and help you lower your level of addiction with time. There are several support groups available to help people get rid of this habit. Ask your doctor for all the available options.