Aug 01, 2013 · 1. Introduction1.1. Background. Burning incense is a popular practice inside residential homes, in shops, and in places of worship in the United Arab Emirates (UAE), the Arabian Gulf Peninsula, and other countries around the world (Fang et al., 2002, Jetter et al., 2002, Karin Yeatts et al., 2012, Yeatts et al., 2012).