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 ...

Evolving roughly 27 different times in the long history of fish, bioluminescence -- the biological production of light -- is one of the flashier survival tools used for luring prey, communication, and ...

Dr. Jain says we should teach ourselves how to relax in the evening and be relaxed through our sleeping period. Previous research has warned against exposing ourselves to blue light from TV and ...

Human bodies are not quite as dark as they look. A growing body of research suggests that living tissue constantly releases an ultraweak glow, a stream of photons that appears to switch off when life ...

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 ...

Exposure to outdoor artificial light at night could be linked to the onset of age-related macular degeneration, a chronic condition that is a leading source of irreversible blindness, South Korean ...

New research from Rush University System for Health marks the first time outdoor light at night has been associated with Alzheimer's disease. By mapping out light pollution in the continental U.S., ...

A new study concluded that blue light glasses probably have no greater effect on the eyes than non-blue light glasses, contradicting research that says they help with eye strain, sleep quality, ...

Blue light eyewear enthusiasts might be seeing red after this. Glasses that claim to shield your eyes from screens’ blue light and supposedly help you get better shut-eye may not provide much benefit ...

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.