Nineteen young adults handed over their smartphones for three days. When researchers scanned their brains afterward, the resting-state neural activity in regions tied to craving and self-control had ...

Psychologists have long known that social situations profoundly influence human behavior, yet have lacked a unified, ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Michael Boyle is an experienced financial ...