Change in Population Trends to come?

Change in Population Trends to come?

Population growth may be affected by Sperm shortage. The sperm concentration in males in North America, Europe, Australia and New Zealand has declined between 52-59% between 1973 and 2011. The decline appears to be continuing.  The cause is unknown. There is speculation that it may be due to exposure to endocrine disrupting chemicals like pesticides, obesity or changes in food supply.

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