Show 1251: How Chemicals Are Threatening Our Health and Fertility
b'Sperm counts have been falling for decades. In fact, they\\u2019re down 50 percent over the last four decades. Should we worry about young men\\u2019s health and fertility? How can we explain this trend? Threats to Health and Fertility: Sperm counts are not alone in their decline. Men\\u2019s levels of testosterone have also been dropping steadily, [\\u2026]'