08/07/2017 06:43:11 PMMost would agree that arsenic, lead, mercury, benzene and carbon monoxide pose dangers to humans. Not many realize the average person is exposed to about 10,000 different chemicals per day. Thanks to a $3.2 million grant from the EPA, a group of University of Houston researchers is taking the lead with about $1.5 million in a collaboration involving the Texas A&M Institute for Genomic Medicine and Indiana University.Lisa Merkllkmerkl@uh.edu