Experts convened by the National Institutes of Health (NIH) have identified five elements of a brain-based condition that has emerged as a leading cause of vision impairment starting in childhood in the United States and other industrialized nations.

Have you ever felt sluggish and out of sorts after a long-haul flight or a late-night shift? A new study from the University of Surrey and the University of Aberdeen has found that disruptions to our body clock, such as those experienced during jetlag, impact our metabolism - but to a lesser extent than sleepiness and the primary clock in the brain.