NIH-funded study is decoding blue light's mysterious ability to alter body's natural clock

(Southern Methodist University) Blue light bombards us, whether city lights, smartphones or tablets, says chemist Brian Zoltowski, Southern Methodist University, Dallas. Blue light knocks off-kilter the natural circadian clock in humans, plants and animals, and can result in health problems, sleep and mood disorders, drug addiction, crop disease, and even confused migratory animals. The National Institutes of Health has awarded a $320,500 grant to Zoltowski's lab to map the trajectory of blue li...