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Smiling can improve mood and health, experts say

The physical act of smiling may influence emotional state and physiological responses to stress.

AI-assisted coverage comparison, editor-supervised · How this was made

Published
Smiling can improve mood and health, experts say

What this story says

  • Smiling can influence emotions and improve mood, according to the facial feedback hypothesis.
  • The act of smiling may affect cortisol levels and brain chemicals like endorphins, dopamine, and serotonin.
  • People who smile during stressful tasks may experience lower heart rates during recovery.
  • Cultural perceptions of smiling vary, with American culture valuing positivity and East Asian cultures emphasizing balance.

Who covered it

Left 46%(6)Centre 46%(6)Right 8%(1)

Percentages are shares of the 13 outlets carrying a published leaning rating. Coverage measured .

Trust

48/100

Craft

60/100

Hype

15/100

13 sources · methodology

The physical act of smiling can influence a person's emotional state, according to experts. This concept is supported by the 'facial feedback hypothesis,' which suggests that the physical expression of an emotion can affect the feeling itself. Research indicates that smiling may also impact physiological responses, including stress hormone levels and the release of brain chemicals associated with positive feelings.

Studies have shown that individuals who smile during stressful tasks may exhibit lower heart rates when recovering compared to those maintaining neutral expressions. This suggests that smiling can mitigate some of the body's physiological stress responses. Experts note that while smiling can be a useful coping strategy, it is one tool among many for managing mental well-being.

Cultural differences in smiling

The perception and value placed on smiling can differ significantly across cultures. American culture tends to emphasize consistent positivity and the minimization of negative emotions. In contrast, East Asian cultures often value emotional balance, viewing positive and negative emotions as interconnected. Research has explored how different cultural groups perceive various facial expressions, with some East Asian cultures viewing overt smiles as potentially indicating emotional instability unless contextually appropriate.

What the coverage left out

None of the right-rated digests mention the facial feedback hypothesis or the potential impact of smiling on cortisol levels and specific brain chemicals like endorphins, dopamine, and serotonin. The right-rated digest also does not mention the finding that smiling during stressful tasks may lead to lower heart rates during recovery.

Still developing. We have re-checked which outlets are covering this 3 times, most recently on 24 Oct 2026, 19:30, and will add the sides that appear.

How each side covered it

Our own reading of the reporting listed below, written from the outlets’ articles rather than quoted from them. The reasoning is set out on our methodology page.

Left

6 rated outlets

  • Five left-rated reports focused on the potential health benefits of smiling. Digests from Rocky Mountain Outlook, The Independent, Associated Press News, The Independent (US), and NBC Dallas-Fort Worth all stated that smiling regularly may improve mood and health. The digests from The Independent, Associated Press News, and The Independent (US) also noted that some campuses and workplaces are encouraging smiling and positivity, with experts confirming its potential benefits.

Centre

6 rated outlets

  • Seven centre-rated reports highlighted the connection between smiling, mood, and health. Digests from Syracuse NY, WKMG, News 4 JAX, The Record, and Winnipeg Free Press stated that smiling regularly is good for mood and health. City News and Washington Top News, which provided full reports, detailed the facial feedback hypothesis, the potential impact on cortisol and brain chemicals like endorphins, dopamine, and serotonin, and the finding that smiling during stress can lower heart rates. These full reports also discussed cultural variations in smiling and the potential negative effects of mandated smiling.

Right

1 rated outlet

  • The single right-rated report, a digest from Washington Times, stated that smiling may be good for mood and health. It also mentioned that reminding oneself to smile often can lead to more friendships and make a person feel better.

Questions about this coverage

How did the left and right cover Smiling can improve mood and health, experts say?
Of the 13 outlets on this story carrying a published leaning rating, 46% are rated left, 46% are rated centre, 8% are rated right. Those percentages are shares of the rated outlets, not of every outlet that ran it. The sections above set out what each side emphasised, in its own terms.
Is Smiling can improve mood and health, experts say left or right?
Neither side dominates it. Of the 13 rated outlets on this story, 46% are rated left, 46% are rated centre, 8% are rated right, and no side holds the 70% this site would want before calling a field one-sided. A story is not left or right in any case; the outlets that carried it are what carry ratings.
Is the coverage of Smiling can improve mood and health, experts say biased?
Smiling can improve mood and health, experts say is one event reported by 13 outlets, and this page does not rate the story as biased or unbiased. What it publishes is the spread: which outlets ran it, where named rating organisations place each of them on the spectrum, and what each side chose to lead with. A leaning rating describes an outlet's record over time, not this article, and the two should not be run together.
Which outlets covered Smiling can improve mood and health, experts say?
13 that we know of, every one of them listed further up this page with a link to its own report and to what we hold on the publisher. Nothing here is a summary of somebody else's summary: the outlets are named so the original reporting can be read.
How does smiling affect emotions?
According to the facial feedback hypothesis, the physical act of smiling can influence emotional state. Experts suggest this may also affect stress hormones like cortisol and brain chemicals associated with positive feelings, such as endorphins, dopamine, and serotonin.
Can smiling help during stressful situations?
Yes, research suggests that people who smile during stressful tasks may show lower heart rates during recovery compared to those with neutral expressions. Smiling can also reduce aspects of the body's physiological stress response.
Is the value of smiling the same everywhere?
No, the perception and value of smiling can vary across cultures. American culture often emphasizes positivity, while East Asian cultures may value emotional balance. Some cultures may view overt smiles differently depending on the situation.

Read it at the source

13 outlets, grouped by the leaning a published rating gives them. Every headline links to the original; an underlined outlet name opens our profile of that publisher.

Left

6

Centre

6

Right

1

Not rated

0

No outlet in this group ran the story.

How did this read?

About the coverage, not about the story. We do not ask whether you agree with what happened — we have no honest use for that answer.

Smiling and Health | MediaBias News