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Smoking in Japan
Deborah Cohen explains how a joint BMJ and Daily Telegraph investigation helped uncover problems with device regulation in Europe. Previous research has shown smoking reduces life expectancy by about a decade, but only by four years if you are Japanese. Sarah Darby, from the University of Oxford, explains why her new research shows they are actually just as unhealthy as their British counterparts.
Smoking in Japan: 0:29
Device regulation in Europe: 8:40