Reminding yourself to smile more often can actively alter your emotional state and lower physical stress responses. While experts suggest the simple physical change acts as a helpful coping tool, cultural differences and mandatory workplace policies show that the value of a smile depends heavily on context.
Reminding yourself to smile on purpose can alter your mood even when you do not feel like grinning. Rather than waiting for a genuine reason to be happy, making the physical adjustment of turning a frown upside down directly impacts emotions, according to experts reporting on the long-standing facial feedback hypothesis. Decades-old research demonstrated that people holding a pencil between their lips while viewing positive clips felt more amused, a classroom demonstration that continues to prove effective.
When we’ve done that demonstration in classes, it works,
said Jeanne Tsai, a longtime psychology professor at Stanford University who runs the Culture and Emotion Lab. When you’re doing it in a room by yourself, you’re not doing it in a social interaction, maybe it’s making you remember, or it’s an effect of remembering some good thing that happened and that would put you in a better mood.
Dr. Judy Ho Examines Stress Responses
Dr. Judy Ho, a Los Angeles-based clinical and forensic neuropsychologist who teaches at Pepperdine University, discusses smiling as a practical coping mechanism for patients experiencing depression or anxiety.
I’m not suggesting that that’s the only way they can fix things. It’s just like another thing that you can add to your toolbox.
Dr. Judy Ho, a Los Angeles-based clinical and forensic neuropsychologist
Clinical observations show that people who smile during stressful tasks maintain lower heart rates during recovery compared to those keeping neutral expressions, reducing aspects of the body’s physiological stress response. Smiling influences levels of cortisol, a hormone the body releases to help regulate stress and mood, while interacting with endorphins, dopamine, and serotonin.
Orange County Academy Shapes Classroom Culture
At the Orange County Academy of Sciences and Arts in Southern California, campus leadership treats the power of a smile as a foundational element of daily operations. An entire section of the charter school network’s website outlines its philosophy.
Smiling creates a supportive classroom culture that makes students relaxed, active, and motivated,
the website states, adding that it increases emotional well-being, lowers stress, and gives students confidence.
I’ve always believed in wanting school to be a happy place for kids,
said RaNae Posey, principal of OCASA Capistrano Elementary School.
Stanford University Studies Cultural Perceptions
Tsai’s research contrasts American cultural norms with East Asian perspectives, where emotional balance takes precedence. It’s like the positive and the negative emotions are braided together, and so you don’t want to feel too positive or too negative,
Tsai explained. You want more of a balance between the two.
Studies examining how European Americans and East Asian populations — including individuals from Taiwan, South Korea, Japan, and Hong Kong — evaluate facial expressions found stark contrasts in perception. While many American subjects viewed broad, excited grins as friendlier, some East Asian participants characterized those same expressions as unreliable or emotionally unstable. Calm, closed-mouth smiles, resembling the Dalai Lama, are often preferred over wide grins in East Asian contexts unless a situation explicitly calls for high energy.
Nicholas Coles Analyzes Workplace Mandates
Workplace expectations have long placed an unequal burden on women, who frequently face social pressure to smile while men do not. People of color also encounter stereotypes labeling them as cold or unapproachable if they maintain neutral expressions.
Retailer Target faced widespread social media ridicule for implementing a strict customer service policy requiring workers to smile and make eye contact within 10 feet and offer personal greetings within 4 feet. Nicholas Coles, an assistant professor running the Social Science Collaboratory at the University of Florida in Gainesville, notes that humans resist losing their emotional autonomy.
In those scenarios, what we find is that it’s more that you’re smiling your way to misery. It’s only when it feels authentic and voluntary that I think it’ll have any real effect.
Nicholas Coles, assistant professor who runs the Social Science Collaboratory at the University of Florida in Gainesville
Otherwise, mandated expressions of positivity may ultimately prove counterproductive, leaving employees feeling disconnected and emotionally exhausted in their professional roles.