Tobacco & Smoking:
Smoking is a world wide hazard. It is a single most important cause of preventable premature death. According to WHO figures there are about 1.3 billion smokers in the world. 20 billion cigarettes are sold every day. Smoking is declining in US and many other western countries In USA smoking rate have decreased to almost half over the last three decades but it is on the rise in developing countries like Pakistan, India, Philippine, Thailand and Cambodia . In some developed countries in far East like Japan and China more than 60 % of male population smokes. One third of the world population smokes, 12 % of them are women and every day 100,000 kids are added to this number. Every year 5.6 million people die of tobacco/smoking related diseases. Every 6 second a current or former smoker dies. 70 % of smokers die younger than normal population. Smokers die 15 year younger than non smokers. In 21st century, 1.3 billion people will die of smoking.
Smoking cigarette, pipe, cigar, Huqua, Shisha and other use of tobacco like chewing tobacco and tobacco sniffing all are dangerous and addictive. Nicotine present in tobacco smoke causes addiction by increasing the brain levels of chemicals like Dopamine and Endrophine. These chemicals give a sense of happiness hence there is craving for tobacco products. If a person tries to quit, withdrawal effects include irritability, anxiety, depression and lack of concentration.
Tobacco and tobacco smoke have about 4,000 chemicals , 200 of these are poisonous and 60 of these chemicals are known to cause cancer (carcinogens). some of these chemicals are, benzene (a petroleum product), ammonia ( used in dry cleaning and toilet cleaning), formaldehyde (a chemical used to preserve dead bodies and ) and Tar. Tobacco smoke causes atherosclerosis (hardening of the blood vessels) leading to hart attack and...