hand smoke are breathing in more than 60 known carcinogens," she said. A review of medical studies by scientists at the International Agency for Research on Cancer (IARC), an extension of the World Health Organisation in Lyons, France, has shown that people exposed to second-hand smoke may have an increased risk of developing lung cancer. Chemicals and gases in tobacco smoke also contribute to cancer of the stomach, liver, kidney and myeloid leukaemia. The cities of Liverpool and London have bills in parliament requesting they be allowed to prohibit smoking in workplaces. Andy Hull, the chairman of the smoke-free campaign in Liverpool, said more than 90 percent of city residents, including a significant number of smokers, support the initiative.
