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2026-10-21 18:22:56Lifestyle SHKRUAR NGA REDAKSIA VOX

Living in a neighborhood with lots of trees and green spaces may have greater benefits than previously thought, including a lower risk of developing dementia, suggests a new study by researchers at Stockholm University and the Karolinska Institute in Sweden.

According to the findings, people who live in areas with more vegetation near their homes have an approximately 20% lower risk of developing dementia.

"This result shows that the environment around our home can play an important role in creating conditions that favor brain health and a healthier aging process," says Cecilia Stenfors, research leader and one of the study's lead authors.

The study, published in the journal Alzheimer's & Dementia, involved nearly 3,000 people who were monitored over 16 years. During this time, the research team analyzed the level of greenery around the participants' homes and tracked changes in their cognitive abilities, as well as cases of dementia diagnosis.

The data revealed a link between the presence of green spaces near the home and a lower risk of this disease. The potential effect was most pronounced when the vegetation was located within a distance of 100 meters from the dwelling. The further away the green areas were, the weaker this link became.

How can nature affect brain health?

Researchers propose several explanations for the link between greenery and dementia risk. One of them is related to the positive impact that natural environments can have on reducing stress and promoting a healthier lifestyle.

The presence of parks and green spaces can create more opportunities for people to walk, be physically active, sleep better, and spend time with others. These factors can contribute to overall well-being and brain health.

"Natural environments and green spaces can help with psychological recovery, reduce stress, and improve feelings of well-being," explains Stenfors.

The potential benefits aren't limited to mental health. Plants can also help mitigate exposure to some harmful environmental factors, such as constant traffic noise, air pollution, and extremely high temperatures.

However, the study highlights a statistical association and does not prove that greenery, alone, prevents dementia.

Why do cities need more green spaces?

Dementia is a growing public health challenge. In 2025, an estimated 9 million people in the European Union were living with the disease. Projections indicate that by 2050, the number could exceed 14 million.

In the face of this growth, researchers emphasize that it is necessary to consider other ways to support brain health, including how cities are designed and developed.

According to Stenfors, brain health should be an important element in urban planning and the creation of residential areas. Green spaces can serve not only to improve people's health, but also to adapt to climate change and protect biodiversity.

For this reason, the study authors highlight the importance of preserving existing trees and vegetation, as well as creating parks and natural spaces that can be easily used by everyone, regardless of age or physical abilities.

The findings suggest that greenery near the home may be more than an aesthetic element of the neighborhood: it may be part of an environment that supports health and well-being throughout life.

 


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