Count Down: How Our Modern World Is Threatening Sperm Counts, Altering Male and Female Reproductive Development, and Imperiling the Future of the Human Race
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Count Down: How Our Modern World Is Threatening Sperm Counts, Altering Male and Female Reproductive Development, and Imperiling the Future of the Human Race

Reproductive epidemiologists have found that over the past fifty years, the total sperm count of men worldwide has dropped by more than 50 percent, and the DNA carried by sperm is increasingly damaged. Miscarriage rates for women have also increased every year for the past two decades.
