BLOG | Towards a brain-friendly society: what can we do for collective brain health

The brain as the guiding thread of life

When we talk about a brain-friendly society, we are ultimately talking about how we understand health throughout the life course and which priorities we choose to embrace as a community. The brain does not only come into focus when memory or cognitive abilities begin to fail. It is present from the very beginning and shapes how we learn, how we relate to others, how we make decisions, and how we adapt to the changes that are part of every life trajectory.

From clinical practice and research, we know that the brain does not function in isolation. Its state is deeply influenced by the environment and by everyday habits. What we do each day, how we eat, how we move, how we sleep, how we manage stress, and how we relate to others has a direct impact on brain health. This imprint is not only individual, it is also collective, because a society reflects the conditions in which the people who make it up live.

Ageing, memory, and scientific evidence

Over the years, it remains very common to assume that memory loss is an inevitable consequence of ageing. This perspective oversimplifies a much more complex reality. Scientific evidence shows that dementias do not appear suddenly, but are the result of a long process in which biology interacts with lifestyle habits, opportunities for stimulation, and the social environment.

We now have growing knowledge that a significant part of risk is built long before the first symptoms appear. When the brain is cared for early, across the different stages of life, the trajectory can be different. This does not mean preventing all problems, but it does mean delaying their onset and reducing their impact. It also allows autonomy, decision-making capacity, and quality of life to be preserved for longer, as well as the wellbeing of the families who provide support.

Brain health beyond the healthcare system

For this reason, it is important to understand that brain health does not depend exclusively on the healthcare system. It is built at home, in neighbourhoods, in schools, in workplaces, and in cultural and social settings. The brain needs movement and rest, a balanced diet, and intellectual and emotional stimulation. Above all, it needs meaningful human connections.

It also needs environments that are understandable and welcoming, services that are sensitive to frailty, and a community capable of recognising and supporting vulnerability. A society that takes care of the brain is one that does not penalise fragility, but understands it and responds to it responsibly.

A shared responsibility

Talking about collective brain health means recognising that everyone has a role to play. Institutions, professionals, families, and each individual person, through the everyday decisions made throughout life. Building a brain-friendly society means placing the brain at the centre, not only when disease appears, but much earlier.

When a society embraces this shared responsibility, it is choosing a more humane way of living and ageing. A way of caring for one another that understands brain health as a common good that must be protected, promoted, and preserved by all.

Dr Mercè Boada
Neurologist and Founder of Ace Alzheimer Center Barcelona