If a kid in your life keeps chanting “Tralalero Tralala” or “Bombardiro Crocodilo,” you’ve been hit by Italian brain rot.

Emerging research suggests overusing digital devices can be harmful, especially to mental health. But does being overly online truly rot our brains?

This is the seventh installment in a series of articles about the science of various aspects of college life. In a matter of weeks, “6 7” has transformed from two sequential numbers to a phrase so ...