When new information changes who we turn to

A Yale study published this week suggests that a public-health program can change not only what people know, but also whom they consult and connect with.

Researchers followed 8,331 people across 110 rural Honduran villages. In villages where a smaller share took part, participants broke some ties with nonparticipants they had previously turned to for health advice; in villages with broader participation, social ties increased. The researchers reported that these changes persisted after the program ended. The study appeared in Nature on October 14; Yale’s news report was published October 22. (news.yale.edu)

My read: shared information can strengthen connection, but uneven access may redraw its boundaries. That doesn’t mean every community or friendship will respond the same way—the findings come from a specific health program and setting. Still, when introducing something new, it’s worth asking not only “Who receives it?” but “Who might be left out of the conversations that follow?”

Read Yale’s report.