How do you define shyness? A new study analyzes shyness in children

What is shyness? Research has shown that shyness is characterized by fear and nervousness in response to social novelty and/or social evaluation. Shyness can manifest on behavioral, affective, and physiological levels, but little is known about how these components cluster. Longstanding theories note that shyness may be conceptualized as a trait that is relatively stable across development, which is described as temperamental shyness.

Prevalence of stroke in US population has remained stable over past 20 years, shows study

A trio of neurologists at the Perelman School of Medicine at the University of Pennsylvania has found through a study of the data in the National Health and Nutrition Examination Survey (NHANES) that the prevalence of stroke in the U.S. over the past 20 years has remained stable. Wells Andres, Aaron Rothstein and Holly Elser describe their analysis in the journal JAMA Neurology.