World Smile Day: How to Be Happy and Improve Mental Health Through the Power of Smiling

A reminder to smile on purpose to boost your mental health

Today marks World Smile Day, a wonderful reminder that something as simple as a smile can profoundly impact our mental health and help us become happier. But here’s the fantastic thing: you don’t need to feel happy to benefit from smiling. The act itself can create the happiness you’re seeking.

The Surprising Truth About How to Become Happier With Fake Smiles

I had a fascinating realisation recently – since selfies became part of our daily lives, most of us regularly practise what’s essentially fake smiling, don’t we? We pose, we grin for the camera, and we capture that moment. What many people don’t realise is that these pretend smiles are actually making us happier and supporting our mental health.

When you fake a smile and hold it long enough, open your mouth and add some sounds, you’ll often find yourself genuinely giggling. It sounds almost too simple to be true, but science backs this up as a genuine way to feel happier.

How Smiling Makes You Happier and Improves Your Mental Health

The moment you smile – even if it’s forced – your body begins releasing tiny molecules called neuropeptides. These substances actively fight off stress in your system. Who would have thought that a simple smiling selfie could be such a powerful tool for becoming happier?

But the benefits don’t stop there. Smiling triggers the release of three crucial feel-good chemicals that directly contribute to how happy we feel:

Endorphins act as natural pain relievers, helping to ease both physical and emotional discomfort whilst boosting your mood.

Serotonin is the same chemical that many antidepressants aim to boost. Interestingly, approximately 90% of our serotonin is produced in the gut, with the remaining 10% made in the brain. A good belly laugh is one of the most effective natural ways to release these feel-good chemicals and become happier.

Dopamine contributes to feelings of pleasure and satisfaction, reinforcing positive behaviours and improving mood – essential ingredients for learning how to be happy.

The Ripple Effect of Your Smile: Spreading Happiness

Personally, I’m an advocate for both fake smiling and genuine belly laughing. Whenever I meet someone new, I always smile (even if I don’t feel happy!). It’s not just a pleasant greeting – it creates a ripple effect that spreads positivity and helps everyone feel happier.

This happens because of mirror neurons in our brains. These clever neurons respond when we see someone else smile, making us want to smile in return. It’s the same reason we yawn when others yawn, or why laughter is so wonderfully contagious. When one person laughs, others can’t help but join in. Big, happy feelings all round!

Smiling as a Daily Practice for How to Be Happy

Research continues to demonstrate that the physical act of smiling, even when we don’t feel particularly cheerful, can genuinely improve our mood, reduce stress, and help us become happier. It’s one of the simplest, most accessible mental health tools we have at our disposal.

This is particularly valuable for those managing depression, anxiety, or everyday stress. You don’t need to wait until you feel happy to smile – the smile itself can help create that happiness. This is a practical, evidence-based approach to how to be happy that anyone can use.

Try It for Yourself: Your Path to Becoming Happier

Here’s my challenge for World Smile Day and beyond: smile intentionally to support your mental health. Laugh for the health of it. Take those selfies with a genuine grin, eyes wrinkled, smile upturned, rather than a pout. Hold that smile a little longer. Make silly sounds. Let yourself giggle.

Your body doesn’t know the difference between a fake smile and a real one when it comes to releasing those wonderful chemicals that make you happier. Before long, that pretend smile often transforms into something genuine.

In a world that can feel heavy at times, we each have a simple yet powerful tool for improving our mental health, becoming happier, and spreading joy to others. What a gift that is.

Selfies and laughies (video mode instead of camera mode) are a regular occurrence in my life. Are they in yours?

Looking for more ways to bring laughter and positivity into your life or workplace? Laughter Yoga combines simulated laughter exercises with wellbeing techniques to help manage stress, boost mental health, and discover how to be happy – no jokes required.

Head to our Events page for Wellbeing Laughter sessions, which transform your day, life and wellbeing to become a happier human  

Further reading

Research on smiling on purpose: The Stanford Report – https://news.stanford.edu/stories/2022/10/posing-smiles-can-brighten-mood

Types of smiles: The Duchenne Smile – https://www.verywellmind.com/duchenne-smile-7547656