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What Color is Your Night Light? It May Affect Your Mood

Study Finds Red Light Least Harmful, While Blue Light is Worst

COLUMBUS, Ohio –– When it comes to some of the health hazards of light at night, a new study suggests that the color of the light can make a big difference.

In a study involving hamsters, researchers found that blue light had the worst effects on mood-related measures, followed closely by white light.

But hamsters exposed to red light at night had significantly less evidence of depressive-like symptoms and changes in the brain linked to depression, compared to those that experienced blue or white light. (more…)

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