News
April 11, 2025

What Are “Brain-Healthy” Communities - and Do They Help Prevent Dementia?

When we think about dementia prevention, we often focus on personal habits — exercise, nutrition, sleep. But what about our environment? Increasingly, experts are pointing to the concept of “brain-healthy communities” — neighborhoods intentionally designed to support cognitive well-being across the lifespan.

Could where you live actually help protect your brain? According to research, the answer is yes.

What Is a Brain-Healthy Community?

A brain-healthy community is an environment that promotes behaviors and conditions known to reduce the risk of Alzheimer’s and other dementias. These communities are designed to make it easier for people — especially older adults — to live actively, stay socially engaged, and access the care and resources they need.

Key features of brain-healthy communities include:

  • Safe walkable spaces that encourage physical activity
  • Access to healthy food options, such as grocery stores and farmers markets
  • Green spaces and nature, which support mental health and lower stress
  • Lifelong learning opportunities, such as community centers, libraries, and classes
  • Public transportation and accessibility to reduce isolation and encourage independence
  • Healthcare access, including memory screenings and mental health services

Why Environment Matters for Brain Health

Your surroundings influence your daily choices. A neighborhood that lacks sidewalks, parks, or transportation options can make it harder to stay active and connected — both of which are vital for cognitive health.

Studies have shown that people who live in more socially and physically engaging communities tend to have lower rates of cognitive decline. In contrast, those living in isolated or underserved areas may face higher risks of dementia due to chronic stress, inactivity, and limited access to care.

Real-World Examples of Brain-Healthy Initiatives

  • Dementia-Friendly America is a nationwide initiative helping cities and towns become more inclusive for individuals with dementia.
  • Age-Friendly Communities recognized by the AARP and WHO focus on supporting older adults through urban planning and community services.
  • Some cities are piloting programs that bring memory cafes, exercise classes, and caregiver support groups directly into neighborhoods.

What Can You Do If You Don’t Live in One?

You don’t need to move to benefit from the concept. You can:

  • Organize a walking group or book club in your neighborhood
  • Advocate for local improvements like better lighting, crosswalks, or public benches
  • Seek out online learning or virtual social groups if in-person options are limited
  • Get involved with local aging or health organizations to build community resources

Final Thoughts

Brain health isn’t just a personal issue — it’s a public one. By fostering environments that support movement, connection, learning, and care, we create communities where brains can thrive at every age.

As the population ages, building brain-healthy communities may be one of the most powerful tools we have in the fight against dementia.