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Researchers at the University of New Brunswick used census and tax data to track 1.3 million non-immigrant Canadian adults living in the 30 biggest cities across the country, from Victoria to St. John’s, over 11 years starting in 2001. They measured the amount of greenery from trees, shrubs, grass and other plants within 250 metres (about two blocks) of the study subjects’ homes, using postal codes and satellite data. And they found that as the amount of greenery increased, people’s risk of premature death decreased “significantly” from natural causes.

“There was a lot bigger effect than I think any of us had been expecting,” said Dan Crouse, a health geographer and lead author of the study. published this week in the journal The Lancet Planetary Health.

Emily Chung, CBC News, October 13, 2017

Original study published in The Lancet: Planetary Health.

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