What seems to be an obvious statement has been proved in a study by Tel Aviv University researchers. They examined over 3,000 heart bypass patients and found that patients who live in a “greener” environment are at a lower risk of mortality than those who live in a “non-green” environment.
https://www.jpost.com/health-and-wellness/article-794536
https://www.aftau.org/news_item/heart-patients-live-longer-in-a-greener-environment-tau-study-finds/