Those who exclusively smoked cigars and had never smoked other tobacco products had an increased risk of dying, the study found The study was carried out in the United States where the consumption of cigars doubled from 6.2 million in 2000 to more than 13.7 billion in 2011 – in contrast with a 33% reduction in cigarette consumption over the same period. Researchers suggested there is particular concern about cigar use in youth and young adults, with 16% of 18 to 24-year-olds reporting they had smoked cigars at least once in the past 30 days during 2009-10.