Benefits of Eating Together: Eating Together Could Boost Happiness and Brain Health, Research Suggests

Benefits of eating together: Sharing meals with other people may do far more than make food enjoyable. Growing research suggests that eating together could support mental health, strengthen social bonds, protect cognitive function and even contribute to a longer, healthier life.

In a world increasingly shaped by busy schedules, remote work, smartphones and social isolation, one of humanity’s oldest habits may be more important than ever:

Eating together.

Researchers use the term ‘commensality’ to describe the practice of sharing food with others.

It may sound simple, but scientists are increasingly interested in how shared meals influence emotional wellbeing, social connection and brain health.

Evidence from different countries suggests that people who regularly eat with others tend to report greater life satisfaction, while frequent solitary eating has been associated with depression and changes in brain regions linked to cognition.

The benefits may not come from the food alone.

Conversation, companionship, emotional support and even the biological pleasure associated with eating may combine to make shared meals surprisingly powerful.

Table of Contents

What Is Commensality?

‘Commensality’ simply means eating together with other people.

It can involve family dinners, lunch with colleagues, meals with friends, community gatherings or even sitting down with someone new.

The practice has deep roots in human culture.

For thousands of years, food has not simply been a source of nutrition. Meals have helped families bond, communities celebrate, friendships develop and strangers build trust.

That social role may explain why researchers increasingly view shared meals as a potential contributor to wellbeing.

Jan-Emmanuel De Neve, a professor of economics and behavioural science at the University of Oxford, has argued that sharing meals provides an important opportunity for people to connect and develop trust.

And those interactions may have measurable effects on health.

Eating Together May Help Protect Against Depression

Some of the strongest research into shared meals has examined mental health.

One study involving 9,361 women aged 60 and above in China found that the number of people sharing a table with someone was associated with their risk of depression.

Importantly, the relationship remained even after researchers considered other factors that could affect mental wellbeing, such as income, general health and whether participants lived alone.

That suggests there may be something meaningful about the act of sharing meals itself.

Other studies have reached similar conclusions.

Research involving older adults in Tokyo found that people aged between 65 and 74 who lived with family members but regularly ate alone had about five times the odds of developing depressive symptoms compared with those who frequently shared meals.

This is an important finding.

Simply living with other people may not provide the same benefit as regularly sitting down and eating with them.

Eating at the Right Time — Eating dinner earlier can change how our bodies metabolise the food (Credit: Getty Images)

Shared Meals Are Strongly Linked to Happiness

One of the largest investigations into the subject came through the World Happiness Report.

A global Gallup survey asked approximately 150,000 people how often they had eaten lunch or dinner with someone they knew during the previous seven days.

The results were remarkably consistent.

People who shared more meals tended to report higher levels of emotional wellbeing and life satisfaction.

Researchers found that meal sharing was about as predictive of life satisfaction as factors such as employment and relative income both of which are already known to have a major influence on wellbeing.

That does not necessarily prove that eating together directly causes happiness.

People with active social lives may simply have more opportunities to share meals.

But the strength of the relationship has encouraged researchers to investigate whether there is something uniquely beneficial about gathering around food.

Why Does Eating Together Feel So Good?

Part of the explanation may involve biology.

Eating pleasurable food can activate systems in the brain associated with reward and the release of endorphins, chemicals that contribute to feelings of pleasure and wellbeing.

Biological anthropologist Robin Dunbar has suggested that this natural response may help strengthen social bonding during meals.

The combination of food, conversation, eye contact and shared enjoyment could reinforce feelings of belonging.

In other words, eating with someone may not merely satisfy hunger.

It may make us feel socially safer and more connected.

Food May Actually Taste Better When Shared

Interestingly, the presence of other people may even change how enjoyable food seems.

Experiments led by researcher Erica Boothby found that participants eating chocolate alongside another person rated the experience as more pleasurable than people eating the same food alone.

This suggests shared experiences can intensify enjoyment.

That effect is not limited to food.

Psychological research has repeatedly shown that experiences often feel more meaningful when they are shared with other people.

Meals may provide one of the most natural environments for that effect to occur.

Could Eating Alone Affect Brain Health?

Benefits of Eating Together: The potential benefits of commensality may extend beyond mood:

Researchers in Japan reported in 2025 that people who frequently ate alone showed lower brain volume in certain regions associated with cognitive function, including the hippocampus and medial temporal areas.

These brain regions are particularly important for learning and memory.

Diet explained part of the association.

People who regularly eat by themselves may be more likely to prepare simpler meals or eat less varied and nutritious food.

But differences in diet did not appear to explain everything.

Researchers suggested reduced social interaction could also contribute.

Could Shared Meals Reduce Dementia Risk?

The relationship between eating habits and dementia remains an area of active research, and eating alone should not be treated as a direct cause of dementia.

However, scientists have proposed several mechanisms through which regular social meals could help support cognitive health.

One is stress reduction.

Social support can reduce chronic stress, which has been associated with poorer brain health and cognitive decline.

Another is mental stimulation.

A shared meal usually involves conversation, listening, storytelling, remembering events and responding to other people.

All of these activities engage the brain.

Over many years, regular social interaction may help support what researchers sometimes call cognitive resilience.

Nutrition May Also Improve When People Eat Together

The benefits may not be entirely psychological.

People who regularly share meals may also eat differently.

Someone preparing food for themselves may opt for something quick, repetitive or nutritionally incomplete.

Preparing food for family or friends, by contrast, often encourages more structured meals containing a wider variety of ingredients.

For older adults in particular, social meals may encourage better appetite and regular food intake.

That could explain part of the relationship between commensality and healthier ageing.

Modern Life Is Making Shared Meals Less Common

Despite the potential advantages, regular communal eating appears to be under pressure.

People increasingly live alone.

Work schedules are less predictable.

Families may eat at different times.

Entertainment and smartphones can turn what was once a shared activity into an individual one, even when several people are physically sitting in the same house.

Convenience foods and takeaway culture may also reduce opportunities to cook and sit together.

The result is that eating has increasingly become something people fit around other activities rather than a social event around which the day is organised.

Different Countries Have Very Different Eating Cultures

The World Happiness Report revealed substantial differences between countries.

People in Japan reportedly share fewer than four meals per week on average.

In the United Kingdom and United States, the figure is around seven or eight.

Italy approaches nine shared meals each week.

Those cultural differences are significant because Italy has long treated eating as an important social ritual rather than simply a practical necessity.

Meals are often associated with family, community, celebrations and extended conversation.

What Italy Can Teach Us About Eating Together

Italian food culture offers an interesting example of how social eating can be protected.

When Italian cuisine received recognition as an Intangible Cultural Heritage, emphasis was placed not simply on recipes but on the way food connects families and communities.

Italy is also the birthplace of the Slow Food Movement.

Created partly in response to the spread of fast-food culture, the movement promotes local traditions, sustainable food systems and taking time to prepare and enjoy meals.

A central philosophy is that eating should not always be rushed.

Cooking together, sitting down and sharing the experience are treated as valuable activities in themselves.

That idea may be increasingly important in countries where meals are becoming faster and more isolated.

You May Be Underestimating How Much Others Want Your Company

One major obstacle to shared meals is surprisingly psychological.

People often hesitate to invite someone to eat because they assume the other person will be busy, uninterested or uncomfortable.

Research suggests those assumptions are often wrong.

Studies have found that people tend to underestimate how much others enjoy spending time with them.

We may also underestimate how positively another person will respond to an invitation.

That means someone you know a colleague, neighbour, friend or relative may be much more willing to share lunch or dinner than you expect.

Sometimes the easiest way to increase social connection is simply to ask.

Shared Meals Do Not Have to Be Elaborate

There is also no evidence that commensality requires expensive restaurants or complicated cooking.

The social element matters more than creating a perfect meal.

A simple breakfast with your partner, lunch with a colleague or evening meal with family can still provide an opportunity for conversation and connection.

Even a cup of tea or coffee accompanied by food may provide some of the same social benefits.

What matters is creating time to engage with another person rather than simply eating beside them while everyone focuses on a phone or television.

What If You Live Alone?

Living alone does not automatically mean eating alone every day.

People can intentionally create opportunities for shared meals.

For example, you might arrange a weekly lunch with friends, eat occasionally with colleagues rather than at your desk, invite a neighbour over or join a community event centred around food.

Technology is also being used to help people connect.

In Italy, entrepreneur Paolo Bavaro created an app called Tablo, which connects people who would otherwise dine alone.

The platform has reportedly been used hundreds of thousands of times.

Importantly, it is designed primarily for social connection rather than dating.

That reflects a broader trend towards using technology not just to communicate online but to facilitate real-world relationships.

Platonic Dates Could Help People Build Social Confidence

Social scientists have experimented with similar ideas.

At Stanford University, psychologist Jamil Zaki helped organise what were described as “platonic dates”, allowing shy students to meet other people informally over coffee.

The goal was not romance.

It was simply to make social interaction easier.

Researchers found that experiences like these could improve people’s confidence in forming connections.

Shared meals may provide a particularly effective environment because food gives people a natural activity around which conversation can develop.

There is less pressure to constantly talk, yet there are repeated opportunities for interaction.

How Often Should You Eat With Other People?

There is currently no scientifically established number of shared meals that everyone should aim for.

The research generally suggests that more regular social eating is associated with better wellbeing, but people’s circumstances differ.

Someone living with a large family may naturally share most meals.

A shift worker living alone may find that unrealistic.

The practical goal should therefore not be perfection.

It is simply to look for opportunities to replace some solitary meals with shared ones.

Even adding one or two social meals to your week could create more opportunities for meaningful interaction.

Eating Together Is Not a Treatment for Depression or Dementia

The research also requires careful interpretation.

Eating with others should not be presented as a cure for depression, dementia or other medical conditions.

Most studies show associations, meaning people who share meals often appear to have better outcomes.

Many other factors contribute to mental health and cognitive ageing, including genetics, physical activity, nutrition, sleep, medical conditions, income and wider social relationships.

Shared meals should therefore be viewed as one potentially beneficial behaviour within a much larger picture of health.

Still, it is an unusually accessible behaviour.

It does not require expensive equipment, supplements or complicated routines.

How to Make Shared Meals Part of Your Life

benefits of eating together

Small changes can make commensality easier.

You could create one regular family dinner each week, invite a colleague to lunch, organise an occasional meal with friends or check on an older relative who may frequently eat alone.

Even making mealtimes phone-free can improve the quality of interaction when people are already eating together.

Cooking together may provide additional benefits because it extends the period of cooperation and conversation beyond the meal itself.

The objective is simple:

Turn eating from an isolated necessity into an opportunity for human connection.

The Bottom Line

Nutrition advice usually focuses on what we eat.

Less attention is given to who we eat with.

But emerging research suggests both may matter.

Regularly sharing meals has been associated with greater happiness, lower rates of depressive symptoms, better social connection and potentially healthier cognitive ageing.

Scientists are still working to understand exactly why.

It may involve emotional support, reduced stress, mental stimulation, better nutrition, endorphin activity or simply the feeling of belonging that develops when people gather around the same table.

Whatever the precise mechanism, the broader message is refreshingly simple.

You do not necessarily need a new diet to improve your relationship with food and wellbeing.

Sometimes, you may simply need another chair at the table.

Sharing meals with family and friends may support mental health, reduce loneliness and protect cognitive health. Discover the science behind why eating together may be good for your brain and wellbeing.

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