Why saying hello to strangers can be good for you
A study establishes that "social ties" — a fancy way of saying being nice to other, even those you don't know — has benefits. A teacher asked her students to test the thesis in real life.
A study establishes that "social ties" — a fancy way of saying being nice to other, even those you don't know — has benefits. A teacher asked her students to test the thesis in real life.
This article was originally published at: https://www.npr.org/2026/05/09/g-s1-119761/hello-greeting...