Less Than 42 Minutes of Bright Light Daily Is a Stronger Predictor of Dementia Than Obesity, Study Finds
Science Alert · 7 Nov 2026

Less Than 42 Minutes of Bright Light Daily Is a Stronger Predictor of Dementia Than Obesity, Study Finds

Each morning, when we open our eyes to a bright new day, our brain's 'master clock' synchronizes our body and its rhythms with the Sun.


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