US NEWS SCI-GYMNASTS 3 MCT

KAREN TAM/MCT

Heather Stapleton, a national expert on flame retardants, was part of a team that recently found elevated levels of one of the chemicals in the bodies of 11 collegiate gymnasts who spent many hours in gyms that used foam treated with flame retardants for landings. Stapleton is seen in her lab in the Nicholas School of the Environment at Duke University, in Durham, N.C., Dec. 5, 2013. (Karen Tam/MCT)

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