One Hour of Light Therapy Reduces Depression

'Researchers from the University of Maryland's School of Medicine have determined that just one hour of bright light therapy significantly reduces depression and depressed moods.

Depressed patients were given one hour of bright light therapy or an hour of dim light therapy as a placebo. The researchers found that the patients given bright light therapy had reductions in their depression scores ranging from 120% to 130%, using two different depression-testing systems.

The research is significant because it applied a placebo test against the light therapy system - something previous light therapy studies have not done.'

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