Environ Res. 2015 Jan 23;137C:424-431. doi: 10.1016/j.envres.2015.01.013. [Epub ahead of print]
Association of lead and cadmium exposure with frailty in US older adults.

Garc?a-Esquinas E1, Navas-Acien A2, P?rez-G?mez B3, Artalejo FR4.
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In the US older adult population, blood lead but not urine cadmium concentrations showed a direct dose-response relationship with frailty. These findings support that lead exposure increases frailty in older adults.