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Rigorous research has clearly illustrated ways in which place design can influence mood. Previous blog postings have indicated the emotional impact of colors, shapes, and lighting, for example. Recent work by Segerstrom and Sephton confirms the importance of good mood for healing and the functioning of the immune system.
Suzanne Segerstrom and Sandra Sephton. 2010. “Optimistic Expectancies and Cell-Mediated Immunity: The Role of Positive Affect.” Psychological Science, vol. 21, no. 3, pp. 448-455.

