Do LEED-Certified Green Buildings Protect Human Health?

Do LEED-Certified Green Buildings Protect Human Health?
http://www.ehhi.org/leed/

"The lead author of this study is John Wargo, Ph.D., professor of Risk Analysis and Environmental Policy at Yale University. Wargo summarized the study, "Although the U.S. Green Building Council's LEED certification program has effectively encouraged energy efficiency in buildings, tighter buildings often concentrate chemicals released from building materials, cleaning supplies, fuel combustion, pesticides and other hazardous substances.""