Research: Human body glows

July 23, 2009 Apparently, we emit a visible light in extremely small quantities at levels that rise and fall with the day.

The Japanese researcher who found the glow experienced its lowest point at 10 a.m. and its peak at 4 p.m., dropping gradually after that.

Since this faint light is linked with the body's metabolism, this finding suggests cameras that can spot the weak emissions could help spot medical conditions.

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