DO YOU love watching sunlight dancing on water or flickering through church railings? Well, you’d better be careful, because there’s a dark side to light.
Those dancing images can trigger flicker illness, a term coined by researchers at the University of Rochester School of Medicine and Dentistry in New York to describe extremely unpleasant symptoms ranging from the dizziness, vertigo and nausea associated with motion sickness, to the seizures of photosensitive epilepsy.
So what exactly is going on in the brain, and how many people are affected? No one knows, but there are some clues to answer the latter. In…
