If you've opted to go for low "mood lighting" in your office, you might want to think again. According to a new study from Michigan State University, when rats are exposed to dim lighting for ...

Chronic exposure to dim light at night can lead to depressive symptoms in rodents -- but these negative effects can be reversed simply by returning to a standard light-dark cycle, a new study suggests ...

In a recent PNAS study, researchers demonstrate that acute exposure to artificial light during nighttime sleep, even for one day, can increase heart rate and insulin resistance by activating the ...