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Opioid Use Runs in Families

People with family members who have been prescribed opioids are more likely to get opioid prescriptions themselves in the next year, finds research in JAMA International Medicine. Researchers analyzed records of commercial insurance claims from 13 million people who...

Screen Time Perils

Teens who spend more than five hours a day on electronic devices are at greater risk for depression and suicidal thoughts, finds research in Clinical Psychological Science. Researchers analyzed data from two nationally representative surveys of U.S. teens in...

Sizing Things Up

Children begin to seek evidence that enables them to test fishy-sounding claims in early elementary school, suggests a study in Developmental Psychology. Researchers showed 191 Chinese preschool – and elementary-school-age children (ages 3 to 8) several different-size Russian nesting...

Vocalizing Emotion

Listeners can recognize emotions such as sadness and joy in singers’ voices, even absent linguistic and melodic cues, finds research in Psychomusicology:Music, Mind, and Brain. Researchers asked eight opera singers to sing the standard musical scale with the meaningless...

No Laughing Matter

Boys at risk of developing psychopathy don’t have the same urge to join in group laughter than most people do, finds a study in Current Biology. Researchers tested 62 11- to 16-year-old boys diagnosed with disruptive behaviors, along with...