It can also, surprisingly, solve world peace (er, sort of). There’s a well-documented phenomenon where “if you’re shaking hands or holding hands with someone, you’re less likely to aggress ...

The reason hand holding can be so effective could have to do with how our hands work. They are one of the first ways we explore the world thanks to the fact that newborns are nearsighted.

We saw them holding hands and we have thoughts. Holding hands is a primal instinct, used throughout life as an act of trust, survival, and intimacy. Even newborn babies hold hands: When you touch ...