The research team divided the subjects into three groups to investigate the incidence of ulcerative colitis: 14,355,062 non-smokers (those who had never smoked or had smoked a total of five packs or less), 3,136,002 past smokers (those who had smoked five or more packs but had since quit), and 5,692,506 current smokers
"You look like you've been rode hard and put up wet," she says
The image was inspired by a British recruitment poster showing Lord Kitchener in a similar pose
One study showed that people who continued to smoke were over twice as likely to have a flare-up compared to people who had stopped smoking
The origins of these cards can be traced back to 1880s America, when blank cards known as stiffeners were put into paper packets in order to stiffen the packaging and protect the cigarettes from being crushed and bent