Pollution and humans
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In 1992, Carlsen, Skakkebaek and colleagues published a controversial study reporting a significant, worldwide decrease in sperm quality over the past 50 years (Carlsen et al., 1992). In addition to decreasing sperm counts, increased incidence of testicular cancer and cryptorchidism were reported (Giwercman et al., 1993).[1] Related to endocrine disrupting compounds?
