Why Early Mental Health Matters: What the Research Tells Us

Posted on February 24, 2026

We started with one question: What does the research actually tell us about children’s mental health? The answer was clear. If we want resilient adolescents and confident adults, we must begin in early childhood.

The Reality We Cannot Ignore

Across Europe and globally, more children and young people are experiencing emotional and mental health challenges.

Anxiety, behavioural difficulties, emotional regulation struggles — these are not isolated cases. They are increasingly part of classroom reality.

And while many statistics focus on teenagers, experts agree on something crucial:

Mental health is shaped long before adolescence.

The early years matter.

They are when children begin learning how to:

Understand their emotions
Respond to frustration
Build friendships
Ask for help
Recover from setbacks

These are not “soft skills.”

They are life skills.

What Research Shows

Decades of studies confirm that structured Social-Emotional Learning (SEL) programs in preschool settings lead to:

Better emotional regulation
Stronger social skills
Improved behaviour
Greater school readiness

Children who develop these skills early are better prepared — not just academically, but socially and emotionally.

And importantly:

Early support acts as prevention.

It reduces the likelihood of more serious difficulties later.

More Than a Trend — A Global Priority

International organisations such as UNICEF, WHO, OECD, and European policy bodies increasingly recognise social-emotional skills as essential for lifelong well-being.

The message across research and policy is consistent:

Promoting positive mental health in early childhood is not optional.

It is foundational.

What This Means for GrowWell

GrowWell did not create social-emotional learning.

We are building on what research already proves works.

Our role is to translate that evidence into:

Clear frameworks
Practical classroom tools
Shared language for educators and parents
Accessible resources that fit real preschool environments

Because research alone does not change children’s lives.

Practice does.

Why This Matters

Resilience is not something children are born with.

It is nurtured.

It grows when adults:

Teach emotional vocabulary
Model calm responses
Encourage effort
Guide conflict resolution
Create safe and inclusive environments

And it grows strongest when those messages are consistent — across classrooms and homes.

When we invest in social-emotional learning early, we are not just helping children cope today.

We are strengthening their tomorrow.

👉 The research told us why.

Zagreb became the place where we decided how.

Step inside that turning point as we take you to the GrowWell Think-Tank in Zagreb.