Ключевые слова: addiction, business, calculation, calculator, cancer, cash, cigarette, cigarettes, concept, cost, currency, danger, dark, expense, expensive, finance, financial, give up, habit, harm, health, health care, lifestyles, loss, medicine, money, narcotic, nicotine, pay, poisonous, price, product, profit, quit, risk, smoke, smoking, stop, taxpayer, tobacco, unhealthy,