Psychopathy is a personality disorder associated with a profound lack of empathy. Neuroscientists have associated empathy and its interindividual variation with how strongly participants activate brain regions involved in their own actions, emotions and sensations while viewing those of others. Here we compared brain activity of 18 psychopathic offenders with 26 control subjects while viewing v...

Posterior capsular opacification (PCO) is the most frequent complication of cataract surgery. Advances in surgical techniques, intraocular lens materials, and designs have reduced the PCO rate, but it is still a significant problem. The only effective treatment for PCO, Nd:YAG laser capsulotomy carries vision-related complications and risks and puts a significant financial burden on the health ...

Introduction: Cigarette smokers who attempt to quit may or may not relapse. Previous research has shown that breath-holding ability predicts successful quitting, and it has been suggested that breath-holding ability may be a marker of tolerance for uncomfortable physiological symptoms. Methods: We measured breath-holding ability and smoking in a large general-population birth cohort from age 21...