Add Yahoo as a preferred source to see more of our stories on Google. Avoiding light at night and seeking light during the day may be a simple and effective way to improve mental health. (Getty Images ...

States with an overexposure to artificial light pollution—particularly at night—are linked to an increased risk of Alzheimer's disease, according to a new study by scientists at Rush University ...

Human bodies are not entirely dark. A growing body of research suggests that every living person emits an ultra‑faint glow, a stream of tiny photons that persists through life and appears to vanish at ...

Researchers say that exposure to bright outside lights at night could increase your odds of developing Alzheimer’s disease more than other risk factors, especially for young people. “We show that in ...

Exposure to outdoor light at night could put people at a higher risk of developing Alzheimer’s disease (AD), according to a new study published in Frontiers in Neuroscience. "We show that, in the U.S.