In their study of the Christmas ornaments, Doucette and his colleagues found that just one gingerbread man ornament raised the DCA levels in a house to unsafe levels.

在他们的化学研究中，多赛特和他的合作伙伴发现仅仅一个姜饼人装饰物就可以使室内dca浓度升高至危险的水平。