“… Even without an assist from 32-ounce sodas, the yellow-bellied marmots in the Rockies, blue whales off the coast of California and country rats in Maryland have gotten steadily chubbier in recent years. The explanation might lie in the disruption of circadian rhythms. New research suggests that when, and how much, light beams through your eyes may play a quiet and unrecognized role in determining your dress or pants size. Light pollution from suburban sprawl, big-city skyglow, electronic billboards and stadium lights has brightened our planet. A [recent] rodent study showed that mice housed with constant light—whether bright or dim—had higher body mass indexes (BMI’s) and blood sugar levels than mice housed with standard cycles of dark and light.”
To read more click here (via the New York Times).