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Why living around nature could make you live longer

Posted in Science on 23rd Apr, 2016 09:12 AM by AlexMuller

A study just published in the journal Environmental Health Perspectives found that people who live in “greener” areas, have a lower risk of mortality. The health benefits are likely thanks to factors such as improved mental health, social engagement and physical activity that come with living near green spaces.

The research relied on data from a vast long-term Harvard study funded by the National Institutes of Health called the Nurses’ Health Study, which has collected health information biennially on more than 100,000 female registered nurses in the U.S. since 1976. The new paper analyzed participant data from between 2000 and 2008, taking note of any deaths that occurred and their causes. At the same time, the researchers used satellite data to assess the amount of green vegetation surrounding each participant’s home during the study period.
The researchers found that people living in the greenest places, that is, people who had the most vegetation within 800 feet of their homes, had a 12 percent lower rate of mortality from any non-accidental cause than people living in the least green places. Specifically, they found that the relationship was strongest for deaths related to respiratory disease, cancer and kidney disease. These results were the same regardless of the participants’ income, weight or smoking status and also did not significantly change between urban and suburban locations.
In statistical analyses, though, the researchers found that participants’ mental health, social engagement, level of physical activity and exposure to air pollution likely explained how the green spaces were making a difference.
This is all in line with the ways previous research has suggested greenness can affect health. Places with more vegetation are generally thought to be less polluted, and the presence of vegetation, itself, can help keep air cleaner. And green spaces like parks can help encourage people to get outside, exercise and engage with other people,all factors that can improve overall health. The effects on mental health may be somewhat less straightforward, but nonetheless important, as this study suggested.
“We were really surprised to find that the mental health pathway explained about 30 percent of the relationship between greenness and mortality,” said Peter James, the study’s lead author and a research associate at the Harvard T.H. Chan School of Public Health.

Tags: healthmental healthaginglongevitynatureenvironmentresearch

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Author: Guest
Posted: 2016-04-23
The link between green areas and longer life is considered a common sense - it is now good to see a study that provides sounds support that this indeed is the case
1 Replies
Author: Guest
Posted: 2016-04-23
Hopefully, this study will encourage people to protect and expand green spaces and improve life style in accordance with findings described in this study Reply


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