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Alarming decline in sperm counts raises concerns about fertility
Some believe that average sperm counts have fallen, the reasons why are still disputed by scientists. One scientist offers her insight.
University-of-california-at-berkeley
California
United-states
China
Copenhagen
Køavn
Denmark
Berlin
Germany
Prague
Praha
Hlavníesto
Global sperm counts are falling. This scientist thinks she knows why
Financial Times: Professor Shanna Swan has been investigating human fertility for decades.
San-francisco
California
United-states
France
China
Washington
Stanford-university
University-of-rochester
New-york
University-of-missouri
Missouri
Rochester
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