Gino Kenny (Dublin Mid West, People Before Profit Alliance) | Oireachtas source

To a certain extent, yes. I know people who use such lamps in the wintertime and they find them very beneficial. Scientifically, I do not know what amount of vitamin D people absorb. People do find solace in them because the lack of light in the winter months can have a detrimental effect on people's well-being and sense of life. Some people do find them very beneficial.