Factors Shaping the Human Exposome in the Built Environment: Opportunities for Engineering Control
2017
Dai, Dongjuan | Prussin, Aaron J. | Marr, Linsey C. | Vikesland, Peter J. | Edwards, Marc A. | Pruden, Amy
The “exposome” is a term describing the summation of one’s lifetime exposure to microbes and chemicals. Such exposures are now recognized as major drivers of human health and disease. Because humans spend ∼90% of their time indoors, the built environment exposome merits particular attention. Herein we utilize an engineering perspective to advance understanding of the factors that shape the built environment exposome and its influence on human wellness and disease, while simultaneously informing development of a framework for intentionally controlling the exposome to protect public health. Historically, engineers have been focused on controlling chemical and physical contaminants and on eradicating microbes; however, there is a growing awareness of the role of “beneficial” microbes. Here we consider the potential to selectively control the materials and chemistry of the built environment to positively influence the microbial and chemical components of the indoor exposome. Finally, we discuss research gaps that must be addressed to enable intentional engineering design, including the need to define a “healthy” built environment exposome and how to control it.
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