Full spectrum light, sickness in school children

Researchers replaced ordinary classroom lights with full-spectrum lights (sold as Vitalite) in three classrooms in a Vermont school. A survey of illness in children in these three classrooms revealed that they suffered less illness than students in other rooms in the school, and less sickness than students in these rooms had the previous year, with ordinary fluorescent lights.
The teachers liked the full-spectrum light, and considered it more natural. They did not wish to return to the former type of lighting at the end of the study period. (The Lancet 2:1205-1026, November 21, 1987) Copyright 1987 Phylis Austin


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