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Is tar present in cigarettes? #scichallenge2017 Anyone who smokes cigarettes, or who is on the verge of starting to smoke, would argue that having one to two cigarettes per day is not harmful. It is their opinion that if few cigarettes are smoked, no damage would be done to our body organs. But, are they right? This investigation proves otherwise... Take a look at our video to check that all cigarettes, even if smoked in a minimal amount, are harmful!