Doctors used a type of MRI test to look at the blood vessels in the brain of a woman with dystextia. The test confirmed she was suffering from a stroke on the right side of her brain Archives of Neurology hide caption

itoggle caption Archives of Neurology

In the U.K.-based program called Txt2stop, researchers sent smokers encouraging text messages, like the one above, to help them quit. Karen Castillo Farfán/NPR hide caption

itoggle caption Karen Castillo Farfán/NPR

Austin Wierschke, left, of Rhinelander, Wis., and Kent Augustine, of Jamaica, N.Y., compete during the final round of the 2012 LG U.S. National Texting Championship on Wednesday, in New York. Wierschke won the championship for the second time in a row. Mary Altaffer/AP hide caption

itoggle caption Mary Altaffer/AP