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	Diesel traffic makes asthma worse BBC health news - 6 December 2007
	Air pollution from diesel traffic can worsen lung function in people with asthma, according to a first 'real-life' study .
	Pollution 'may boost asthma risk' BBC health news - 25 August 2007
	A study by the University of Southern California which looked at how genetic susceptibility to respiratory disease and environmental traffic fumes can cause childhood asthma.
	Car fumes stunt child lung growth BBC health news - 25 January 2007
	A study by the University of Southern California indicates that living too near a busy road could stunt a child's lung development.
	Fumes 'not winter asthma trigger' BBC health news - 10 November 2004
	A study of school children in Denver by the National Jewish Medical and Research Center indicates that coughs and colds are the reason why people's asthma gets worse in winter, rather than traffic fumes.
	Asthma fears as urban air pollution leaves new targets in tatters Sunday Herald - 31 October 2004
	A report for the Scottish Executive has revealed that air pollution from exhaust fumes in 11 towns and cities across Scotland will fail to meet goverment reduction targets next year, with Glasgow being the 'second worst in UK'.
	Health warning over summer smog BBC news - 30 July 2004
	Government officials have warned that the mini-heatwave is bringing air pollution and smog which may affect people with breathing difficulties.
	Experts link asthma to global warming The Scotsman - 21 June 2004
	A major study of almost 670,000 children by the University of Ulm in Germany has found a clear link between indoor humidity and asthma rates in western Europe.
	Coughing attacks 'linked to heavy traffic' IC Wales - 3 December 2003
	A study by the University of Leicester has found that young children suffer more coughing attacks the nearer they live to a main road.
	Pollution exacerbates asthma attacks Ivanhoe's Medical Breakthroughs - 6 June 2003
	Research from St. Mary's Hospital, Portsmouth indicates that exposure to the air pollutant, nitrogen dioxide (produced by vehicle exhausts and gas cookers), before catching a cold can increase the risk of severe asthma attacks in children.
	Study to test asthma links IC Birmingham - 6 May 2003
	Asthma sufferers living in the Birmingham area are being sought for a new study exploring the relationship between airborne pollution and respiratory health.
	Asthmatics warned over smog levels BBC health news - 16 April 2003
	Smog warning for people with breathing disorders.
	Asthma blamed on steel works icWales local news - 6 August 2002
	Findings of a five year study of pollution in Port Talbot and the Corus steel plant.
	Urban air 'worsens asthma' BBC health news - 1 April 2002
	US and German research into childhood asthma and pollution.
	Ozone link to asthma BBC health news - 1 February 2002
	Research by the University of Southern California, Los Angeles.