Bright Light at Night May Raise Type 2 Diabetes Risk, Study Suggests

The glow of a lightbulb or smartphone at night can mess with the body's circadian rhythm. Now, a new study suggests that exposure to artificial light after midnight may raise the risk of developing type 2 diabetes. The research was conducted among nearly 85,000 people, between the ages of 40 and 69, who wore devices on their wrists, day and night for one week, to track their exposure to different levels of light. As part of the UK Biobank experiment, …