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Tobacco use is the leading cause of preventable diseases and premature deaths worldwide . Its use killed 100 million people in the 20th century and if current trends continue, tobacco will kill one billion people in 21st century, with 80 percent of these deaths from low and middle income countries . Despite, the massive death toll, almost a billion men and 250 million women smoke in the world. Half of the male smokers live in low and middle income countries . However, smokers don’t pay alone; the unfortunate victims who unnecessarily suffer are the secondhand smokers.
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