Two recent studies have linked “problematic smartphone use” among teenagers to increased symptoms of anxiety, depression and insomnia. But is it a real problem? And how worried, if at all, should we ...

Smartphones allow us to have information available at our fingertips, in addition to offering portability, convenience, and a sense of privacy. However, overuse of such devices may create a sense of ...

A massive new study is shedding light on problematic screen use and the mental health of U.S. adolescents — with worrisome findings. The findings, published Thursday in the American Journal of ...

Researchers have discovered a surprising change in how cells produce energy in people with depression. Brain and blood cells in young adults with major depressive disorder produced more energy ...