further reading – plant-life

‘…[there is] strong evidence that even 3 to 5 minutes of contact with nature can significantly decrease stress, reduce anger and fear, and increase pleasant feelings.  This calming effect can be achieved by providing views to the outside, interior gardens or aquariums, or artwork with a nature theme.’
– Parsons R, Hartig T. Environmental Psycholphysiology. In Handbook of Psychophysiology, 2nd ed. New York: Cambridge University Press;2000:815-46.

‘National Aeronautics and Space Administration (NASA) … findings showed that houseplants were able to remove up to 87 percent of air toxins in a 24-hour period.’
Importance of Plants in the Home. Healthline Editorial.

‘The effect of nature in the home and in the workplace serves to stimulate both the senses and the mind, improving mental cognition and performance.’
– Bisco Werner 1996; Brethour 2007; Frank 2003; Pohmer 2008; Serwach 2008; Shibata, 2001, 2004; Yannick 2009)