October 05, 2023
Ever wondered why some folks burst into laughter at the drop of a hat, while others seem to have a smile as rare as a unicorn sighting? Well, it turns out the answer might be hiding in your genes.
Scientists from Northwestern University, the University of Geneva and the University of California, Berkeley dug deep into our DNA and found a connection between genes and our ability to crack a smile or have a hearty laugh. They pinpointed a particular gene variant, the short alleles of the gene 5-HTTLPR, as the culprits behind those uncontrollable giggles.
Here’s the plot twist: this gene, now the star of the show in the world of positive emotions, was previously known for its gloomy associations like depression and anxiety. It’s like discovering your favourite villain suddenly wants to be a superhero!
So, what’s the deal with these short alleles? Well, they’re like the emotional amplifiers of life’s highs and lows. Short allele carriers not only excel at the happy dance but also catch the blues more intensely. It’s as if they’ve got an emotional volume knob turned up to 11!
But, fear not, long allele folks. You might not be as sensitive to life’s emotional rollercoasters, but remember, in the grand genetic play, it’s not just about your genes – it’s about how you dance to their tune.
So, next time you wonder why you’re chuckling uncontrollably at that corny joke or barely cracking a grin, just remember, it might be in your DNA. Embrace your unique genetic quirks and enjoy the comedy of life!
Source: https://news.northwestern.edu/stories/2015/06/quick-to-laugh-or-smile-it-may-be-in-your-genes/
