The ongoing decline in biodiversity poses a threat to humanity’s existence, according to recent research. However, a study conducted by a team of researchers has shed light on another crucial aspect of biodiversity – its impact on mental wellbeing. Previous studies have shown that contact with nature can benefit mental health, particularly for individuals residing in urban areas. Researchers found that the risk of developing common mental disorders like depression and anxiety is significantly lower for urban dwellers who live near green spaces. But what about the relationship between mental wellbeing and natural diversity?
To fill this gap in research, the researchers gathered data through the Urban Mind app between April 2018 and September 2023. A total of 1,998 participants submitted 41,000 assessments of their environment and mental wellbeing. The results revealed that green spaces with high natural diversity offer more mental health benefits compared to those with low natural diversity. Participants attributed a significant portion of these benefits to natural diversity and reported that the positive impact can last for up to eight hours. This suggests that promoting and protecting biodiversity in natural environments can maximize the mental health benefits of interacting with nature.
Other studies have also highlighted the positive impacts of diverse natural habitats on mental health. A survey of 15,000 households found that individuals living near natural areas rich in plant and bird species reported lower rates of mental health issues, even after accounting for social and economic factors. The current study expands on this evidence by showing that brief encounters with biodiverse nature on a daily basis can also yield mental health benefits. Biodiversity provides more sensory stimulation, which can improve concentration, reduce mental fatigue, and enhance cognitive resources like memory and attention span. Additionally, spending time in or near natural spaces encourages outdoor activities and social interactions, leading to the release of endorphins and other mood-boosting hormones.
Diverse natural environments also play a vital role in reducing pollutants and moderating temperatures, which can help prevent chronic physical conditions such as allergies and asthma. These environmental factors also contribute to lower stress levels and enhanced mental wellbeing. The findings of the study underscore the importance of considering biodiversity as a crucial element of the infrastructure of our cities, emphasizing its significance not only for the health of the planet but also for human mental health.
The research highlights the essential connection between biodiversity and mental wellbeing. By acknowledging and prioritizing the preservation and promotion of natural diversity in our surroundings, we can create healthier and more supportive environments for both ourselves and the planet.
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