Study links evening blue light exposure to increased hunger

Manipulation of light exposure may be a novel method of altering food intake and metabolismDARIEN, IL – A new study suggests that blue-enriched light exposure immediately before and during the evening meal may increase hunger and alter metabolism. Results show that blue-enriched light exposure, compared with dim light exposure, was associated with an increase in hunger that began 15 minutes after light onset and was still present almost two hours after the meal. Blue light exposure also decreased sleepiness and resulted in higher measures of insulin resistance. “It was very