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North America / Shanna Swan / Joseph Alukal / Icahn School of Medicine #1198005

NBC Evening News for Wednesday, Jul 26, 2017
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Want to turn now to what doctors are calling a major public health crisis, a sharp decline in fertility among men and with no signs that the problem is improving. Experts warn it could become a much larger problem for all of us. NBC is Kristen Dahlgren explains. The study found men are significantly less fertile than just 40 years ago. I think this is a wake up call. Researchers analyzed 185 previous studies involving almost 43000 men from 1973 to 2011. Both sperm concentration and overall sperm...
Duration:
00:01:55

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