Light pollution at night may increase risk of Alzheimer’s, study finds

Research says outdoor light exposure in evening increases prevalence of the disease, especially in people under age 65

New research claims that exposure to outdoor light at night may increase the prevalence of Alzheimer's disease, especially in people under the age of 65.

The researchers who conducted the study, funded by a National Institutes of Health grant and published in the journal Frontiers in Neuroscience on Friday, said they have found correlations between areas of the US with excessive exposure to artificial light at night and the prevalence of Alzheimer's disease.