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Why do we laugh?

07 February 2025
2 min read
07 February 2025
2 min read

Have you ever wondered? Let us answer by starting with another curiosity. Are humans the only ones who laugh? If we pause for a moment, the answer isn’t as simple as it seems. Laughter is one of the most universal reactions, and one of the most mysterious. Think of when you burst out laughing during a funny moment or share a smile with a friend. But why do we laugh? And what makes us different from other living beings when it comes to this behaviour? Let’s explore the reason behind laughter, a phenomenon not only connected with happiness or humour, but one with deep roots in psychology, biology, and evolution. First off, do only humans laugh? The short answer: no. Some animal species, such as monkeys and dolphins, produce sounds similar to laughter. For example, bonobos make noises resembling laughter when they play or interact socially. However, these sounds aren’t laughter in the full sense, but rather a form of communication signalling pleasure or engagement. In this sense, humans seem unique, not for their ability to laugh, but for the highly complex and social use of laughter. Our laughter is tied to an incredible variety of emotions and situations. We laugh for many reasons: while watching a funny TV show, or when a friend cracks a joke. In fact, laughter usually happens in groups; we rarely laugh alone. Laughter is one way we reinforce social bonds. But we also laugh in moments of embarrassment or stress, so laughter can be a way to release tension, to signal that everything is okay. Imagine being at dinner with friends and someone tells an awkward joke or does something clumsy: laughter that follows offers reassurance and shifts attention elsewhere. Therefore, we can say that laughter is much more than just a reaction to something funny. It is a social, psychological, and evolutionary phenomenon that plays a central role in any social system. It is a powerful means of communication among humans, without using words, helping us relax, connect, and sometimes, let go of tension. In the end, laughter is one of the most genuine and human experiences we can share. So next time you find yourself laughing, think of how deep and complex that simple act truly is. It’s something that connects us to others, helps us survive and thrive, and, in the end, makes us human. This may well be the real reason we laugh.

By Arianna Fontanili and Giorgia Ghio, 3L, Liceo Scientifico Vittorio Veneto, Milan