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Living in tree-filled neighborhoods may reduce risk of heart disease, study shows

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Study: People living in Louisville , Kentucky , with twice as many trees and shrubs had lower levels of a blood marker associated with heart disease, diabetes and some types of cancer.

Researchers planted thousands of mature trees, shrubs and trees in parts of the city's 4-mile study area.

Study: Trees’ ability to filter air pollution and buffer neighborhoods from constantly breathing in harmful particles could be a primary way.

City planners must be careful not to create green gentrification’ when they create more equitable access to green spaces in cities.

Housing prices increase as a result, making it unaffordable for current residents to continue living there once a green space is completed.

“The take-home message here is that nature is not an amenity; green spaces are not a perk for the wealthy. They are essential for us as human beings,” James said.