In developed countries today, people spend the vast majority of their time indoors. Consequently, the design and construction of those interior spaces have powerful effects on human health, for better or for worse. The entire built environment can be designed to enhance health through how things are designed, where they’re built, and what they’re made of.

The WELL Building Standard, administered by the International WELL Building Institute, was launched in 2014 to quantify and enhance the human health effects of the built environment. The standard is based on seven years of research involving physicians, scientists, and building industry professionals, and addresses seven factors: air, water, nourishment,…