bluelight have pretty healthy cells, but olderflies bluelight have pretty healthy cells, but older flies with the same amount of light exposure, their cells are being damaged. so that is important consideration because our exposure to bluelight is pretty recent and we don t know what accumulated effects it may have for people who are teenagers now but will be looking at bluelight for some 60 or 70 years. bluelight for some 60 or 70 ears. , , bluelight for some 60 or 70 ears. , . , , bluelight for some 60 or 70 ears. , .,, bluelight for some 60 or 70 ears. , ., , ., years. this may seem obvious to ou but i years. this may seem obvious to you but i don t years. this may seem obvious to you but i don t how years. this may seem obvious to you but i don t how obvious - you but i don t how obvious this is to everyone, how to know if the light in your life is actually blue? know if the light in your life is actually blue? the bluelight is actually blue? the bluelight is predominant is a