I remember getting killer headaches in school. We had these floursecent light bulbs that would hum just inside my range of hearing. The light itself would make me sick at times too. finally a school in surrey is setting out to study the effect of lighting on the school environment and learning.
read more here
http://www.guardian.co.uk/education/2011/may/01/mood-lighting-boost-academic-performance
I’ll be very interested in seeing the results.
Peadar