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自然のなかで生きる 

以前から何度か記した通り、庭の畑で大地を踏みしめていると、何とも言えぬカタルシスを感じることがある。生きている実感というか、大袈裟になるが、人生を永遠の相の下に生きる感触だ。

その消息を間接的に述べ、証明している論文が、サイエンテイフィック リポーツに掲載された。

「週に二時間、自然のなかに自分を置いていますか?」と問われているようだ。

人も自然の一部であり、自然のなかでしか生きられないということだろう。

以下、抄録を引用~~~

Article | OPEN | Published: 13 June 2019

Spending at least 120 minutes a week in nature is associated with good health and wellbeing
Mathew P. White, Ian Alcock, James Grellier, Benedict W. Wheeler, Terry Hartig, Sara L. Warber, Angie Bone, Michael H. Depledge & Lora E. Fleming
Scientific Reports volume 9, Article number: 7730 (2019) | Download Citation

Abstract
Spending time in natural environments can benefit health and well-being, but exposure-response relationships are under-researched. We examined associations between recreational nature contact in the last seven days and self-reported health and well-being. Participants (n = 19,806) were drawn from the Monitor of Engagement with the Natural Environment Survey (2014/15–2015/16); weighted to be nationally representative. Weekly contact was categorised using 60 min blocks. Analyses controlled for residential greenspace and other neighbourhood and individual factors. Compared to no nature contact last week, the likelihood of reporting good health or high well-being became significantly greater with contact ≥120 mins (e.g. 120–179 mins: ORs [95%CIs]: Health = 1.59 [1.31–1.92]; Well-being = 1.23 [1.08–1.40]). Positive associations peaked between 200–300 mins per week with no further gain. The pattern was consistent across key groups including older adults and those with long-term health issues. It did not matter how 120 mins of contact a week was achieved (e.g. one long vs. several shorter visits/week). Prospective longitudinal and intervention studies are a critical next step in developing possible weekly nature exposure guidelines comparable to those for physical activity.

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