Why Volunteering Is Good Medicine for Your Body and Mind

A viral act of generosity can do more than raise money. It can remind us that helping strangers is one of the most human things we do.

Recently, MrBeast released a video called “I Helped 100 Kids Fight Cancer.” The project brought together celebrities, athletes, and creators to give children with cancer memorable experiences while raising support for pediatric cancer research. The greatest basketball player of all time LeBron James was among the people who showed up, spending time with young patients and their families.

The video sparked praise, debate, and a bigger question: why do people feel moved to help people they may never meet again?

Medical anthropology offers a useful answer. Volunteering is more than a moral choice or a cultural habit. It is linked to human biology, survival, social connection, and the way communities protect health.

Helping others often begins with simple acts of presence and care.

Helping others is human nature

For most of human history, survival depended on cooperation.

Early humans hunted together, shared food, cared for children, protected injured group members, and learned from elders. A person living in a supportive group had a better chance of surviving illness, injury, hunger, and danger than someone living alone.

Over time, the human brain developed strong rewards for cooperation. We are wired to notice distress, respond to need, and feel satisfaction when our actions help someone else.

That does not mean every person volunteers for the same reason. Some are moved by faith. Some act from personal experience. Some want to support a cause that touched their family. Others simply see a need and step forward.

Still, across cultures, helping behavior appears again and again. Medical anthropology looks at this pattern through both biology and culture. It asks how care, kinship, mutual aid, and social responsibility shape health.

That matters because health is never only an individual matter. A person’s well-being is shaped by housing, food access, social support, safety, education, and belonging. These are part of the social determinants of health, and volunteering often works directly in those spaces.

The biology behind the helper’s high

Many volunteers describe feeling lighter, calmer, or more energized after helping. That feeling is sometimes called the “helper’s high.”

The phrase is informal, but the biology behind it is real enough to take seriously. Research suggests that helping others can activate brain pathways involved in reward, bonding, and stress regulation.

Several systems may play a role:

• Dopamine

  
  

This brain chemical is linked with motivation and reward. Helping can create a sense of satisfaction that encourages people to repeat the behavior.

• Oxytocin

  
  

Often associated with bonding and trust, oxytocin may support feelings of connection during caring interactions.

• Endorphins

  
  

These natural chemicals can help reduce discomfort and support a sense of well-being.

• Stress hormones

  
  

Supportive social behavior may help calm the body’s stress response, especially when volunteering feels meaningful rather than overwhelming.

This does not mean volunteering is a treatment for disease. It does mean the body responds to connection. When people give time, attention, and care, the nervous system may register that they are part of something larger than themselves.

That may be one reason the health benefits of volunteering show up in studies of mood, stress, and well-being.

Volunteering can support physical health

The link between volunteering and health is not magic. It often works through ordinary, practical pathways.

A person who volunteers may walk more, leave the house more often, build stronger routines, and interact with people face to face. Those changes can influence physical health over time.

For example, volunteering at a community garden may involve lifting, bending, carrying supplies, and spending time outdoors. Helping at a food pantry may include standing, sorting, packing, and moving. Visiting isolated older adults may involve walking, conversation, and regular scheduling.

These activities may support the body in several ways:

• More daily movement

• Less sedentary time

• Better routine and sleep structure

• Lower perceived stress

• Stronger social ties

• Greater sense of purpose

  
  

Purpose and health are closely linked in public health research. People who feel needed often have a reason to stay engaged with life. That sense of meaning can influence daily choices, from getting out of bed to keeping medical appointments.

For older adults, volunteering may also support healthy aging. It can create structure after retirement, reduce isolation, and help people keep using skills that might otherwise sit idle. A retired teacher tutoring children, a former nurse helping at a clinic intake table, or a grandparent organizing meals for neighbors all remain active in roles that carry meaning.

Physical activity and social connection can grow side by side.

Volunteering and mental health are closely connected

Volunteering and mental health are often discussed together because isolation can be harmful, while connection can be protective.

Loneliness is more than an unpleasant feeling. It can affect sleep, stress, immune function, and health behaviors. People who feel cut off from others may be less likely to seek help, move their bodies, eat well, or stay engaged in care.

Volunteering creates a bridge back to social life. It gives people a reason to be somewhere at a certain time. It places them in a role where they can contribute. It can also shift attention away from constant self-focus, which may help some people manage stress or low mood.

The benefits of volunteering are often strongest when the role fits the person. A caregiver who is already exhausted may not benefit from taking on more emotional labor. A person with chronic pain may need a flexible role. A student under pressure may do better with short, predictable commitments.

The healthiest volunteer roles tend to share a few qualities:

• They feel meaningful

• They are realistic in time and energy

• They offer social support

• They respect boundaries

• They match the person’s skills or interests

  
  

Helping should not require self-neglect. Sustainable service protects both the person receiving help and the person offering it.

Community health depends on people who show up

Volunteering fills gaps that formal systems cannot always reach.

Hospitals, schools, shelters, food banks, public health departments, and community groups depend on people who help with tasks that are deeply human. They sit with families. They deliver meals. They translate information. They drive patients. They pack supplies. They mentor young people. They check on neighbors after storms.

These actions may look small from a distance. Up close, they can change a person’s day, and sometimes their health.

Community health improves when people trust local institutions and one another. Volunteers often become trusted connectors. They may notice when someone is struggling before a crisis begins. They may help people find services, understand forms, or feel less ashamed about asking for support.

This is where social connection becomes practical medicine. A warm conversation at a cancer center waiting room cannot replace chemotherapy, surgery, or pain control. But it can reduce fear. It can help a family feel seen. It can make an unbearable day a little more bearable.

That is part of what made the MrBeast video resonate. Beyond the celebrity appearances and online debate, the most powerful moments came from presence. People showed up for children and families facing something frightening.

The best kind of helping is steady and respectful

Viral philanthropy gets attention, but most volunteering is quiet. It happens in school gyms, church basements, libraries, clinics, kitchens, parks, and living rooms.

Good volunteering also requires humility. Communities are not props, and people in need are not projects. The goal is to serve in ways that respect dignity, privacy, and choice.

For anyone thinking about volunteering, it helps to start small:

1. Choose a cause that feels personal or meaningful.

2. Ask what the organization actually needs.

3. Be honest about your schedule and limits.

4. Commit to consistency if the role depends on trust.

5. Reflect on how the work affects your own well-being.

   
   

For healthcare professionals, educators, and public health students, volunteering can also deepen understanding. It reveals how illness, poverty, caregiving, transportation, food access, and social isolation overlap in real life. No textbook can fully capture what it means for a patient to miss an appointment because the bus route changed or for a caregiver to skip meals to pay for medication.

Steady care often happens through practical, human gestures.

Helping others can help us remember what health really means

Volunteering does not cure every wound, and it should never replace medical care, social policy, or professional support. This article is informational only and is not medical advice.

Still, helping others can support the body and mind in real ways. It can reduce isolation, build purpose, encourage movement, calm stress, and strengthen the social fabric that health depends on.

The question raised by moments like MrBeast’s cancer video is not only why people help strangers. It is what happens when they do.

When people show up for one another, health becomes more than biology. It becomes relationship, dignity, and shared survival.

References

1. Brown, K. M., Hoye, R., & Nicholson, M. (2012). Self-esteem, self-efficacy, and social connectedness as mediators of the relationship between volunteering and well-being. Journal of Social Service Research, 38(4), 468–483. https://doi.org/10.1080/01488376.2012.687706

2. Holt-Lunstad, J., Smith, T. B., Baker, M., Harris, T., & Stephenson, D. (2015). Loneliness and social isolation as risk factors for mortality: A meta-analytic review. Perspectives on Psychological Science, 10(2), 227–237. https://doi.org/10.1177/1745691614568352

3. Jenkinson, C. E., Dickens, A. P., Jones, K., Thompson-Coon, J., Taylor, R. S., Rogers, M., Bambra, C. L., Lang, I., & Richards, S. H. (2013). Is volunteering a public health intervention? A systematic review and meta-analysis of the health and survival of volunteers. BMC Public Health, 13, 773. https://doi.org/10.1186/1471-2458-13-773

4. Musick, M. A., & Wilson, J. (2008). Volunteers: A Social Profile. Indiana University Press.

5. Oldenburg, R. (1999). The Great Good Place. Marlowe & Company.

6. Putnam, R. D. (2000). Bowling Alone: The Collapse and Revival of American Community. Simon & Schuster.

7. Snyder, M., & Omoto, A. M. (2008). Volunteerism: Social issues perspectives and social policy implications. Social Issues and Policy Review, 2(1), 1–36. https://doi.org/10.1111/j.1751-2409.2008.00009.x

8. United States Surgeon General. (2023). Our Epidemic of Loneliness and Isolation: The U.S. Surgeon General's Advisory on the Healing Effects of Social Connection and Community. U.S. Department of Health and Human Services.

9. World Health Organization. (2021). Social determinants of health. https://www.who.int/health-topics/social-determinants-of-health

10. Yoo, J., Miyamoto, Y., & Ryff, C. D. (2016). Purpose in life and health across the lifespan. Current Opinion in Psychology, 5, 49–54.

Media Mention

1. MrBeast. (2026). I Helped 100 Kids Fight Cancer [Video]. YouTube.