All About Cigarettes Smoking...

Smoking is a practice where a substance, usually tobacco or cannabis, burned and the smoke tastes or inhaled. This is mainly practiced as a route for recreational drug use, as combustion releases the active substances in drugs such as nicotine and makes them available for absorption through the lungs. It can also be done as part of the ritual, cause ecstasy and spiritual enlightenment.
            Cigarette smoking is one of the most common forms of recreational drug use, including through industrial manufacturing, and hand-rolled from loose tobacco and rolling papers. Other tools include smoking pipes, cigars, hookahs, vaporizers and bongs. It has been suggested that smoking-related disease kills half of all long term smokers, but these diseases can also be contracted by non-smokers. Last 4 years report states that approximately 4.9 million people worldwide die each year as a result of smoking.  Smoking is one of the most common forms of recreational drug use. Smoking is now by far the most popular form of smoking and conducted over one billion people in the majority of all human societies. Less common drugs for smoking include cannabis and opium. Some of the substances classified as hard drugs like heroin, but drug use is very limited, as they often are not commercially available.
At least half of smokers die prematurely because of smoking life. The risk of dying from lung cancer before age 80 is 22% for male smokers and 12% in female smokers, in the absence of competing causes of death. Similar calculations for lifelong non-smoker is a 1.1% probability of dying from lung cancer before age 80 for a man of European origin, and a probability of 0.9% by a cigarette woman. Smoking one day lead to a risk of heart disease which is halfway between a smoker and non-smokers. The non-linear dose-response relationship is explained by the effect of smoking on platelet aggregation.
           Among the diseases caused by smoking are vascular stenosis, lung cancer, heart attack and chronic obstructive pulmonary disease.
Smoking is a risk factor for Alzheimer's disease. Although smoking over 15 cigarettes per day has been shown to exacerbate symptoms of Crohn's disease, smoking has been shown to effectively reduce the incidence of ulcerative colitis.

Typical cigarette contains more than 4000 components besides tobacco. Since it would be too much trouble to mention each of these ingredients, I'll just mention a few of the more surprising ingredients in a typical cigarette.

Ammonia: cleaning products.

Angelica root extract is known to cause cancer in animals.

Arsenic: Used in rat control.
Benzene is used for the preparation of coloring substances, synthetic rubber.
Butane: a gas used in the lighter.
Carbon monoxide: poisonous gas.
Cadmium: Used in batteries.
Cyanide: Deadly poison.
DDT: insecticide banned.
Ethyl furoate: Causes liver damage in animals.
Lead: Poisonous in high doses.
Formaldehyde: Used to preserve dead specimens.
Methoprene: Insecticidal.
Megastigmatrienone: Chemical naturally found in grapefruit juice.
Maltitol: sweetener for diabetics.
Naphthalene: ingredient in mothballs.
Methyl isocyanate: Its accidental release killed 2000 people in Bhopal, India in 1984.
Polonium: cancer-causing radioactive element.
Fungicides and pesticides: Because many types of cancer and birth defects.
Cadmium: associated with lung and prostate cancer.
Benzene: associated with leukemia.
Formaldehyde: In relation to lung cancer.
Nickel: Increased susceptibility to infection lungs.
Tar: inks, filling the lungs.
Nicotine: The highly addictive drug.

Tobacco smoke, which contains over 4,000 chemicals, including carcinogens and other toxins 400 compounds of formula (cause cancer) known 43 These, as well as nicotine, tar and carbon monoxide, which contains formaldehyde, ammonia, hydrogen cyanide, arsenic, and DDT.

Nicotine is highly addictive. 6 seconds to reach the brain, including nicotine inhalation of smoke and nicotine lung.
In the long-term nicotine addiction also a very serious health risk to some, but not so serious heroin addiction.

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