July 9th, 2008
Dirty homes bug hygiene scientists
People 'misled' by theory of protection through exposure to germs
Sarah Boseley, health editor
Tuesday May 18, 2004
The Guardian
Scientists today launch a major demolition of the "hygiene hypothesis" which suggests that our clean, sterile modern homes could be a cause of rising allergies in the UK, and warn that tolerating dirt could lead to a rise in harmful bugs and infectious diseases.