damage caused by cigarettes Smoking and its effects on the skin Smoking causes #lung disease by

Independent Variable: Cigarette Smoke Dependent Variables: Color of leaves, number of leaves, height of the plant, weight of the plant, fruit produced Extraneous Variables: Location, Temperature, kind of plant, kind of cigarette, kind of soil Objectives To identify the effects of the cigarette smoke on plants

Vaughn 1994, p

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However, we should employ the precautionary approach and err on the side of over-regulation

Another study published in The Lancet Neurology found that smokers are 30-50% more likely to develop dementia than non-smokers, and the risk increases with the number of cigarettes smoked