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Smoking is a greater cause of death and disability than any single disease, says the World Health Organisation.
According to their figures, it is responsible for approximately five million deaths worldwide every year.
Tobacco smoking is a known or probable cause of approximately 25 diseases, and even the WHO says that its impact on world health is not fully assessed.
Heart attack and stroke
UK studies show that smokers in their 30s and 40s are five times more likely to have a heart attack than nonsmokers.
Tobacco contributes to the hardening of the arteries, which can then bee blocked and starve the heart of bloodflow, causing the attack.
Often, smokers who develop this will require plex and risky heart bypass surgery.
If you smoke for a lifetime, there is a 50% chance that your eventual death will be smokingrelated half of all these deaths will be in middle age.
Smoking also increases the risk of having a stroke.
Lung problems
Another primary health risk associated with smoking are lung cancer, which kills more than 20,000 people in the UK every year.
US studies have shown that men who smoke increase their chances of dying from the
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