Scientists at Northwestern University found that people who live near lots of green space are biologically 2.5 years younger, on average, compared to those who live in less green areas. The corresponding study was published in the journal Science Advances.
The participants in the experiment were 924 people who lived in four US cities: Birmingham, Chicago, Minneapolis and Oakland. The researchers used satellite imagery to quantify the overall proportion of greenery and the presence of large parks within 5 km of the participants’ residences.
Biological age was estimated using the analysis of specific methyl labels of the DNA molecule.
It turned out that residents of greener areas were on average biologically younger by 2.5 years. Women living in green areas experienced a greater decline in biological age compared to men. According to experts, in addition to proper nutrition, physical activity and quality sleep, the environment is also important for maintaining health in old age.
Source: Rosbalt

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