The benefits of daylight saving time in energy saving is questionable. Adverse effects of seasonal time shift on human have been found. Medical studies have shown a correlation with increased incidences (ie: stroke, depression, IBD).The shift to summer time also have a negative effect on welfare.
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From a health and welfare point of view the Greenwich Mean Time seems more beneficial in the UK, being more in syncronhy with the human biological clock. Therefore the government should consider to keep to the GMT all year around.