Online Reporter
Disability Issues
Dr Christine Peta
This week I am focusing on Down syndrome, inspired by the global commemorations of World Down Syndrome Day, held on March 21.
This year’s theme, “Together Against Loneliness”, is a powerful reminder that inclusion is not only about access to services but also about belonging, friendship and human connection.
What causes Down syndrome?
Down syndrome occurs when a baby is born with an extra copy of chromosome 21.
Instead of the usual two copies, there are three, and this additional genetic material changes how the body and brain develop.
Chromosomes are like books in a library: Each book (chromosome) contains chapters (genes). Together, the whole library (all 46 chromosomes) provides the complete set of instructions for building and running the body.
Humans usually have 46 chromosomes (23 pairs), inherited equally from the mother and father.
When there is an extra or missing chromosome, it can alter development.
In Down syndrome, the extra chromosome 21 results in 47 chromosomes, instead of 46.
This affects growth and brain development, leading to the features and learning differences associated with the condition.
Down syndrome is not caused by anything parents did or did not do. It happens randomly during cell division.
Most cases are not inherited, though the translocation type can sometimes be passed from parent to child.
According to the United Nations (UN), the estimated incidence of Down syndrome is between 1 in 1 000 and 1 in 1 100 live births worldwide.
Each year, 3 000 to 5 000 children are born with the condition.
While Down syndrome can influence physical development and learning, people with the condition can live rich, fulfilling lives when supported with inclusive education, healthcare and opportunities for community participation.
This year’s theme highlights one of the most pressing challenges: loneliness.
Loneliness is not just an emotional state — it has profound effects on health and well-being.
Studies show that chronic loneliness can increase the risk of depression, anxiety and physical health problems such as heart disease and stroke.
For people with Down syndrome, loneliness often stems from social exclusion, limited opportunities for education and meaningful work, and societal misconceptions about disability.
The theme calls on families, schools, workplaces and communities to take deliberate steps to ensure that people with Down syndrome are not left isolated.
It is a call to build communities where everyone feels they belong.
As one advocate put it during last year’s UN event, “We do not want to be included as an afterthought. We want to belong, to be part of the community, to have friends, jobs and dreams like everyone else.”
In Zimbabwe, the launch of the National Disability Policy in 2021 marked a historic step towards inclusion.
The policy emphasises equal access to education, healthcare and employment for persons with disabilities, including those with Down syndrome.
Community-based organisations and schools have begun to integrate inclusive practices.
Across Africa and the Global South, advocates stress the importance of combining global standards with local realities.
For Down syndrome, this means translating global commitments into locally grounded strategies — ensuring that children and families are not only medically supported but also socially connected, even in resource-limited classrooms and rural health systems.
This year’s World Down Syndrome Day theme reminds us that inclusion is incomplete if people are left isolated.
True inclusion means creating environments where people with Down syndrome feel connected, valued and loved — embraced as integral members of the human family. Let us remember that inclusion begins with connection.
World Down Syndrome Day 2026 challenges us to look beyond policies and programmes to the everyday interactions that make people feel they belong.
In classrooms, workplaces and neighborhoods, the fight against loneliness is ultimately a fight for dignity, equality and humanity.
Dr Christine Peta is a disability, public health, policy, international development and research expert. She can be contacted on: [email protected]
