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It is almost known to all that smoking is bad for people\'s health.
Scientific researchs show that smoking can lead to heart disease,cancer and other problem.The World Health Organization says diseases linked to smoking kill at least two million five-hundred-thousand persons each year.
Scientific researchs show that smoking can lead to heart disease,cancer and other problem.The World Health Organization says diseases linked to smoking kill at least two million five-hundred-thousand persons each year.
