Why Do We Touch Strangers So Much? A History Of The Handshake Offers Clues

There is a lot that can be conveyed in a handshake, a kiss, or a hug. Throughout history, such a greeting was used to signal friendship, finalize a business transaction, or indicate religious devotion. Touching strangers, however, can also transmit other, less beneficial shared outcomes—like disease outbreaks. As fears about COVID-19, or coronavirus, mount, France has warned its citizens to pause their famous cheek kisses, and across the world, business deals are being sealed with an elbow bump. But with histories tracing back thousands of years, both greetings are likely too entrenched to be so easily halted. A popular theory on the handshake’s origin is that it began as a gesture of peace. Grasping hands proved one was not holding a weapon—and shaking them was a way to ensure a partner had nothing hiding up their sleeve. So far, there has not been any reliable evidence to prove this assumption. Throughout the ancient world, the handshake appears on vases, gravestones, and stone slabs in scenes of weddings, gods making deals, young warriors departing for war, and the newly dead’s arrival to the afterlife. In the literary canon, it stretches to the Iliad and the Odyssey. The handshake’s catch-all utility, used in friendship, romance, and business alike, makes interpretation difficult. “The handshake continues to be a popular image today because we too see it as a complex and ambiguous motif,” writes art historian Glenys Davies in an analysis of its use in classical art. The handshake's catch-all utility, used in friendship, romance, and business alike, makes…