Office workers 'risk blood clots' / BBC News, 13 March 2007
http://news.bbc.co.uk/1/hi/health/6444565.stm
"Workers who spend excessive amounts of time at their desk could be putting their lives at risk, research suggests. The Medical Research Institute in New Zealand found they may have a higher risk of developing potentially fatal blood clots.
The study will be published in the New Zealand Medical Journal."