Exposure to inorganic arsenic is associated with increased mitochondrial DNA copy number and longer telomere length in peripheral blood. oleh Syeda Shegufta Ameer, Yiyi Xu, Karin Engström, Huiqi Li, Pia Tallving, Barbro Nermell, Analia Boemo, Lidia Guadalupe Peñaloza, Luis A. Parada, Gabriela Concha, Florencia Harari, Marie Vahter, Karin Broberg