Caring and Happiness

People who volunteer or practice caring for others on a consistent basis seem to be happier and less depressed.

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BULLET POINTS FOR BUSY PEOPLE:

  • Kindness and acts of compassion are a major key to becoming happier, according to both ancient wisdom and modern science.
  • Both spontaneous acts of kindness and planned acts of kindness, such as volunteering, can lead to greater happiness and well-being, and the frequency of these acts is important in terms of the benefits experienced.
  • The essence of random kindness is that you’re not calculating how you benefit. It’s kindness for the sake of kindness.
  • The smallest gestures, such as expressing gratitude, or assisting someone with a household task, can boost the mood of both parties involved.
  • Motivation seems to affect the emotional impact of volunteering as well as random acts of kindness. For example, are we volunteering mainly to polish a resume or in order to spread a little happiness?
  • Try to involve recipients of volunteering in the activity, to avoid triggering a sense of powerlessness.

INTRODUCTION

If I only had five seconds to talk about the biggest secret to beco Young hand holding aging hand ming happier, I would include acts of kindness and compassion, and especially acts of kindness that are not planned or calculated, but come straight from the heart. Kindness can take many forms, from planned acts such as volunteering, to unplanned, spontaneous acts of generosity.

How do we know that kindness is key to happiness? Ancient wisdom and modern science both tell us the same thing. Confucius once told his students, “There is one thread that strings together my teachings.” The thread that passed through the center of Confucius’ teachings was the Chinese concept of “shu,” the ability to put oneself in someone else’s shoes, and act upon it. I guess you could describe that habit as “thoughtful kindness,” or applied empathy. Kindness is the string that runs through the habits of happy people like a thread through a string of beads.

Science is now proving what Confucius tried to tell us 2,500 years ago. If you want to flourish, and be happy, be kind.

SCIENTIFIC INSIGHTS

There are many different ways we can express kindness and compassion. For the sake of simplicity, we can divide them into two kinds: planned acts of kindness such as volunteering, and unplanned, spontaneous acts of kindness. No matter which, the bottom line is that people who care for others on a regular basis are happier and less depressed.

Volunteering:

In the case of volunteering, scientists have found out that people feel happier with only one experience, but the people who experience the most benefit in terms of their mood were people who got involved in repeated activities, or what they call successive waves of volunteering. Considerable evidence exists that the mood boosting effects can last for months. There has been a great deal of research on elderly people volunteering, and less on teenagers and youth. The surprising difference between the two age groups is that the elderly experience a more significant boost in well-being through volunteering.

One of the main explanations for this boost in wellbeing is about motivation. The elderly mostly volunteer for the sake of volunteering, but in many cases young people volunteer for extrinsic reasons, that is, they are gently pressured to do so in various ways. For example, they are following the crowd or they are encouraged to volunteer by a parent, or they are mainly volunteering to polish up their resumes. We don’t know exactly why, but the benefits we obtain from volunteering depend on motivation.

Participation by recipients is very important for their self-esteem. Volunteers often experience greater happiness but, in some cases, the people who are on the receiving end become more depressed. Why is that? It is mainly because they feel powerless, and that people are assisting them because they are powerless. Next time you go volunteering, try to get people involved in something that makes them feel that they are a part of the activity and not just the recipient.

RAKs: Random Acts of Kindness:

The second way we can express compassion is through unplanned acts of kindness, the spontaneous, random kind. They have a surprisingly large impact on our well-being, and we can practice them more naturally, as we go about our daily activities. The whole point of random acts of kindness is that we are not calculating how we benefit through the act of kindness. It’s kindness for the sake of kindness.

Have you discovered greater happiness through these sorts of unplanned acts of kindness? These can be very small things, like suddenly offering a seat to someone on the bus, calling a relative who lives alone, or perhaps reaching out to a fellow student who looks lonely or confused. And, of course, in that kind of situation the worst thing you can ask your colleague or fellow student is, “Oh, you look depressed! What’s the matter?” The best thing to do is simply try to engage them in conversation and express an interest in what they are doing. Active listening, that we described as a key component of close relationships, is itself an act of kindness. As the saying goes, “listening is loving.”

Annotated Bibliography

Recent Research on Acts of Kindness and Well-being

Study 1: Meta-Analysis on Prosociality and Well-being

Hui, B. P. H., Ng, J. C. K., Berzaghi, E., Cunningham-Amos, L. A., & Kogan, A. (2020). Rewards of kindness? A meta-analysis of the link between prosociality and well-being. Psychological Bulletin, 146(12), 1084-1116.

  • What they studied: This comprehensive analysis examined how acts of kindness and prosocial behaviors affect individual mental and physical health by analyzing 201 studies involving nearly 200,000 participants.
  • Key findings:
    • Prosocial behavior had a consistent positive effect on well-being across all studies
    • Informal helping (spontaneous acts of kindness) showed particularly strong benefits for overall well-being, happiness, and psychological functioning
    • Different age groups benefit differently: younger and middle-aged adults experienced greater psychological and emotional benefits, while older adults reported better physical health outcomes
  • Why this matters: This study provides the strongest scientific evidence to date that informal acts of kindness are especially powerful for boosting well-being across different life domains.

Study 2: Experimental Evidence for Kindness Interventions

Curry, O. S., Rowland, L. A., Van Lissa, C. J., Zlotowitz, S., McAlaney, J., & Whitehouse, H. (2018). Happy to help? A systematic review and meta-analysis of the effects of performing acts of kindness on the well-being of the actor. Journal of Experimental Social Psychology, 76, 320-329.

  • What they studied: This analysis focused specifically on experimental studies that had people perform acts of kindness to see if it caused improvements in the helper’s well-being (27 studies, 4,045 participants).
  • Key findings:
    • Performing acts of kindness showed a small-to-medium positive effect on the actor’s well-being
    • The effect was consistent across different ages and study designs
    • This provides causal evidence that being kind directly improves your own happiness
  • Why this matters: Unlike correlational studies, these experiments prove that kindness causes happiness, not just that happy people tend to be kind. This makes kindness interventions a scientifically-backed strategy for enhancing well-being.

Study 3: Community-Based Kindness Programs

Lim, M.H., Hennessey, A., Qualter, P., et al. (2025). The KIND Challenge community intervention to reduce loneliness and social isolation, improve mental health, and neighbourhood relationships: an international randomized controlled trial. Social Psychiatry and Psychiatric Epidemiology, 60, 931-942.

  • What they studied: Researchers tested whether a community-based program encouraging frequent acts of kindness could improve mental health and social connections across three countries (U.S., U.K., and Australia) with over 4,000 adults.
  • The intervention: Participants performed weekly acts of kindness over four weeks as part of the “KIND Challenge” program.
  • Key findings:
    • Reduced loneliness significantly in the U.S. and U.K.
    • Moderate reduction in social isolation in the U.S.
    • Lower levels of social anxiety in the U.S. and Australia
    • Reduced stress in Australia
  • Why this matters: This is the most recent and largest-scale evidence that structured kindness programs can address major public health concerns like loneliness and social isolation. The international scope shows these benefits cross cultural boundaries.

What This New Research Tells Us

These three major studies, involving over 200,000 participants total, provide the strongest scientific evidence yet that:

  • Kindness is a proven well-being intervention – not just correlation, but causation
  • Informal, spontaneous kindness may be more beneficial than formal volunteering
  • Community-wide kindness programs can address loneliness and social isolation at scale
  • Benefits span all ages but manifest differently across life stages
  • The effects are measurable and significant across cultures and contexts

Bibliography

Aknin, L. B., Dunn, E. W., & Norton, M. I. (2012). Happiness runs in a circular motion: Evidence for a positive feedback loop between prosocial spending and happiness. Journal of Happiness Studies, 13(2), 347-355.

Borgonovi, F. (2008). Doing well by doing good. The relationship between formal volunteering and self-reported health and happiness. Social Science & Medicine, 66(11), 2321-2334.

Choi, N. G., & Kim, J. (2011). The effect of time volunteering and charitable donations in later life on psychological wellbeing. Ageing and Society, 31(4), 590.

Cosley, B. J., McCoy, S. K., Saslow, L. R., & Epel, E. S. (2010). Is compassion for others stress buffering? Consequences of compassion and social support for physiological reactivity to stress. Journal of Experimental Social Psychology, 46(5), 816-823.

Curry, O. S., Rowland, L. A., Van Lissa, C. J., Zlotowitz, S., McAlaney, J., & Whitehouse, H. (2018). Happy to help? A systematic review and meta-analysis of the effects of performing acts of kindness on the well-being of the actor. Journal of Experimental Social Psychology, 76, 320-329.

Hui, B. P. H., Ng, J. C. K., Berzaghi, E., Cunningham-Amos, L. A., & Kogan, A. (2020). Rewards of kindness? A meta-analysis of the link between prosociality and well-being. Psychological Bulletin, 146(12), 1084-1116.

Lim, M.H., Hennessey, A., Qualter, P., et al. (2025). The KIND Challenge community intervention to reduce loneliness and social isolation, improve mental health, and neighbourhood relationships: an international randomized controlled trial. Social Psychiatry and Psychiatric Epidemiology, 60, 931-942.

Post, S. G. (2005). Altruism, happiness, and health: It’s good to be good. International Journal of Behavioral Medicine, 12(2), 66-77.