Too much light at night may be bad for our brains, research out this week suggests. In a population of city residents in China, researchers found a link between increased exposure to artificial outdoor light at night and a greater risk of stroke. Unsurprisingly, they also found that more exposure to air pollution was…
If you’re irritated by the morning people in your life, you might have Neanderthals to blame for their existence, at least a little bit. New research suggests that our hominin relatives possessed genetic variations that predisposed them to waking up early and that they passed on these genes to our Homo sapiens…
Being a night owl might not be great for your blood sugar control, new research this week suggests. The study found that middle-aged women who prefer to stay up late were more likely to develop type 2 diabetes. This associated link was found even after the researchers accounted for other unhealthy behaviors more…