Although the demonstrated effects are not as effective, the economics of making nature available, if only as potted plants, is usually not cost prohibiting. It seems worthwhile to encourage interaction with plants, both outdoor and indoor, as this is likely to be a useful environmental initiative with a sound cost-benefit profile.
Grinde, B; Patil, G. G
International Journal of Environmental Research and Public Health, 6(9), September 2009, 2332-43
Adding elements of Nature to living spaces can induce positively valued changes in cognition and emotion, which again may impact on stress level, health and well-being.