Every week Dr Ron Cutler, Deputy Director of Biomedical Sciences at Queen Mary, University of London, will expertly and ardently answer your hygiene-related questions.
This week’s question is: I have been told that it’s good for kids to get dirty to build up their immune system. Is there any truth in this?
Dr Ron: “Yes, to an extent. It is good for children to build up their immune system and by them being exposed to dirt and [...]