We often talk about physical health and, increasingly, mental health. However, there is a third essential pillar of well-being: social health. It encompasses our relationships, sense of belonging, and the feeling that there are people we can count on.
Today, social health is receiving growing attention. Loneliness and social isolation have been increasing across all age groups, including teenagers and young adults. Understanding what social health is—and how to strengthen it—is an important step toward promoting overall well-being and taking a more holistic approach to health.
What Is Social Health?
Social health is the ability to build and maintain safe, respectful, and reciprocal relationships. In other words, it refers to the quality of the connections we build throughout our lives.
This includes:
- Feeling like you belong to a group, such as your family, friends, school, or community;
- Having one or two trusted people you can talk to;
- Participating in formal or informal support networks;
- Being part of relationships that respect boundaries and foster emotional security.
Kasley Killam, a researcher and expert in social health, argues that human connection should be treated as a pillar of health that is just as vital as physical and mental health. In her work, she has popularized the idea that social connection functions much like physical fitness: the more intentionally we cultivate meaningful relationships, the stronger our sense of belonging, support, and well-being becomes.
Social health, therefore, does not depend on the number of people we know. What truly matters is having secure, reciprocal, and meaningful relationships.
Check out the video on the epidemic of loneliness and disconnection in the digital age by the psychologist and specialist from Instituto Ame Sua Mente, Ana Carolina D’Agostini.
Social Health Is Not the Same as “Popularity”
Many people confuse social health with popularity, but the two are not the same. While popularity is often associated with having many social connections and being well known, social health is defined by the presence of genuine support and meaningful relationships.
Someone with only a few friends—but strong, dependable relationships—can have good social health. On the other hand, a person who belongs to many social groups may still feel deeply lonely if they do not feel safe enough to be themselves.
Why Social Connections and a Sense of Belonging Protect Mental Health
Social connections are an important protective factor during difficult times. When people feel supported, they are more likely to:
- Cope more effectively with difficult emotions, such as sadness, anxiety, and anger;
- Seek help sooner;
- Face challenges with greater hope and resilience;
- Maintain healthy habits more consistently.
In addition, numerous studies have shown that strong social relationships are associated with better health outcomes throughout life. One widely cited meta-analysis found that people with stronger social relationships had about a 50% greater likelihood of survival than those with weaker social ties.
For this reason, experts consider human connection to be one of the most important factors in promoting health and well-being.
What Has Science Shown About Loneliness and Social Isolation?
The World Health Organization (WHO) recognizes loneliness and social isolation as important public health challenges. Today, about 1 in 6 people worldwide report feeling lonely, representing approximately 16% of the global population. This issue is particularly common among teenagers and young adults.
In addition, numerous studies have linked loneliness and social isolation to a higher risk of depression and other adverse health outcomes. Although the studies use different methodologies, their findings point in the same direction: social connection supports well-being, while social disconnection increases vulnerability.
Why Is Social Health So Important During Adolescence?
Adolescence is a period of identity formation and growing independence. During this stage of life, feelings of belonging and acceptance by peers have a powerful influence on well-being. At the same time, friendship conflicts, insecurities, fear of rejection, and physical changes can increase the risk of social isolation. School also plays a central role in teenagers’ social lives. Friendships, peer groups, shared activities, breaks between classes, and even digital interactions all influence how young people see themselves and relate to the world.
Research has shown that feeling connected to school and having a strong sense of belonging are associated with better emotional well-being. In addition, longitudinal studies indicate that students with a stronger sense of belonging at school experience fewer symptoms of psychological distress in early adulthood.
Listen to our audiobook on this topic:
Me and the Other: The Importance of Connection for Mental Health
Signs That Social Health May Be Declining
Social isolation does not always appear simply as a lack of social contact. Sometimes, it shows up as irritability, low motivation, apathy, or recurring conflicts. These signs may deserve attention, especially when they represent a significant change in a person’s usual behavior.
Common Signs
- A sudden decrease in contact with friends and family;
- Avoiding parties, sports, or other group activities;
- Frequently turning down invitations;
- Intense feelings of shame or discomfort about participating in groups;
- Feeling that there is no one to rely on;
- Increased screen use as a way to avoid face-to-face interactions;
- A decline in academic or professional performance associated with discouragement;
- Frequent conflicts or growing distance from colleagues.
It is important to remember that enjoying periods of solitude is not a problem. A warning sign appears when someone wants to connect but struggles to do so, or when distancing from others begins to cause distress and negatively affect daily life.
Social Isolation vs. Loneliness: What Is the Difference?
Although these terms are often used interchangeably, they do not mean the same thing.
- Social isolation: This refers to an objective lack or reduction of social interactions and relationships.
- Loneliness: This refers to the subjective feeling of disconnection, even when other people are present.
Therefore, someone can have an active social life and still feel lonely. Likewise, a person can have few social contacts and not experience loneliness.
What Factors Weaken Social Health?
Social health is rarely weakened by a single cause. Instead, it typically results from a combination of factors, such as:
- A demanding routine of work, school, and family responsibilities;
- Fewer opportunities for community engagement;
- Fear of being judged and constant comparison;
- Pressure to perform and seek social validation;
- Moving to a new city, the loss of a loved one, or family separation;
- Bullying and social exclusion;
- The lasting effects of the COVID-19 pandemic;
- Difficulties with social-emotional skills, such as communication, empathy, and setting healthy boundaries.
Furthermore, international organizations and experts have warned about rising levels of social disconnection across different populations. As a result, there is growing recognition of the importance of public policies, community networks, schools, and families as protective factors.
How to Strengthen Support Networks in Practice
Strengthening social health does not mean forcing someone to socialize all the time. Instead, it means creating opportunities for safe and meaningful connections. Below are some simple and effective strategies:
1) Start with a Minimum Viable Connection
For many people, the goal is not to have dozens of friends, but to build at least one reliable relationship.
Examples include:
- A close friend;
- A trusted teacher;
- A family member who listens with care and respect;
- A small group with shared interests.
In addition, research suggests that a few consistent, supportive relationships can be more protective than a large number of superficial connections.
2) Replace Advice with Active Listening
Active listening involves:
- Asking open-ended questions;
- Showing genuine interest;
- Reflecting on what has been shared;
- Avoiding quick judgments;
- Validating emotions without becoming defensive or dismissive.
This approach strengthens emotional security. Feeling safe is the foundation of healthy relationships.
3) Encourage a Sense of Belonging Through Shared Interests
Clubs, groups, and shared activities make it easier to build relationships without pressure. Examples include:
- Reading, music, and theater;
- Sports and dance;
- Robotics, drawing, and chess;
- Volunteering and community projects.
In this way, people connect through their interests and authentic selves rather than through the pressure to appear perfect.
Furthermore, researcher Kasley Killam proposes simple strategies for consistently cultivating social connections. One well-known example is the 5-3-1 guideline, which encourages small, regular commitments to people and groups over time. More than just a checklist, this approach serves as a reminder that relationships also need care and attention.
The Role of Schools in Promoting Social Health
Schools are among the most important environments for promoting social health. In addition to providing academic knowledge, they offer daily opportunities for interaction, belonging, and relationship-building.
When students feel welcomed and connected to the school community, they are more likely to participate, develop healthier relationships, and face challenges with greater emotional security.
What Can Schools Do?
1) Create positive adult role models: A teacher, coordinator, or advisor who keeps their promises and treats students with respect can already change the trajectory of many young people.
2) Establish clear and fair rules: Predictability contributes to a sense of security. Therefore, well-defined rules that are applied consistently help reduce conflicts and strengthen the school climate.
3) Mediate conflicts with a focus on repair: Instead of relying solely on punishment, schools can encourage processes that promote accountability and help rebuild relationships.
This includes:
- Understanding the impact of one’s actions;
- Repairing the harm caused;
- Restoring positive relationships.
4) Measure and improve the school climate: Surveys and other listening strategies can help identify situations involving exclusion, insecurity, or distress early on. In this way, schools can intervene before problems become more serious.
Actions to Support More Isolated Teenagers
Some students need additional support to feel included. In these cases, small actions can make a significant difference. Examples include:
- Create peer-support pairs for projects;
- Organize small groups with structured, guided activities;
- Offer tasks with clear roles and responsibilities;
- Provide supervised common areas during breaks.
In this way, students do not have to face the challenge of social integration alone. Instead, adults can create the conditions for connections to develop gradually and safely.
The Role of the Family in Promoting Social Health
A family does not need to be perfect to be a source of protection. However, it does need to provide presence, consistency, and respect.
When children and adolescents know they can count on adults who are available to listen and support them, they feel safer exploring the world, building relationships, and developing autonomy.
Attitudes That Strengthen Social Health at Home
Small everyday actions can contribute to closer and healthier relationships. Among them:
- Sharing meals whenever possible;
- Creating simple rituals, such as spending a few minutes talking before bedtime;
- Showing genuine interest in their children’s friends and daily routines;
- Supporting invitations, gatherings, and opportunities for connection;
- Encouraging in-person activities and experiences away from screens, without judgment or pressure.
The goal, above and beyond control, is to create opportunities for connection.
How to Help Without Intruding
Often, the best way to offer support is not by applying pressure, but by creating space for conversation.
Instead of saying: “You need to socialize more.”
Try asking questions like:
- “Who do you feel most comfortable talking to?”
- “Would you like me to help you think of a simple invitation?”
- “Is there a place where you would feel more comfortable meeting other people?”
In other words, the adult acts as a bridge—not as a source of pressure.
Read also the blog post about the importance of bonds:
World Love Day: Why Relationships Are So Good for Your Health
When to Seek Professional Help
Sometimes, strengthening social health requires specialized support. Consider seeking professional help when there are signs such as:
- Intense and persistent distress related to loneliness;
- Severe or limiting social anxiety;
- Refusal to attend school or work due to fear of social interaction;
- Sudden changes in mood or daily routines;
- Signs of hopelessness or thoughts centered on “not being able to cope anymore.”
In these situations, psychotherapy can help people develop social skills, regulate emotions, and build healthier relationships with greater confidence and security.
Learn more:
