NODE SMITH, ND If, as the saying goes, less is more, why do we humans overdo so much? In a new paper featured on the cover of Nature, University of Virginia researchers explain why people rarely look at a situation, object or idea that needs improving -- in all kinds...

NODE SMITH, ND Sound sleep plays a critical role in healing traumatic brain injury, a new study of military veterans suggests. The study, published in the Journal of Neurotrauma, used a new technique involving magnetic resonance imaging developed at Oregon Health...