www.newscientist.com

We're heading for a male fertility crisis and we're not prepared

We wrote about this last summer when two key papers were published almost simultaneously. Together they raised big questions about the future of human fertility.


One, led by Hagai Levine and Shanna Swan, reported that men's sperm counts had declined by more than 50 percent from 1973 to 2013, with no sign that the decline is slowing.

In this article, New Scientist provides a good description of their work. The other, with lead and senior authors Tera Horan and Patricia Hunt, respectively, showed that fetal exposures over three generations of mice to an endocrine disrupting chemical known to suppress sperm count compounded the effects from one generation to the next.

In an interview about these two papers Prof. Fred vom Saal, an expert on endocrine disruptors (and not a participant in either), voiced a deep concern that humans may be in a "fertility death spiral."

Print Friendly and PDF
SUBSCRIBE TO EHN'S MUST-READ DAILY NEWSLETTER: ABOVE THE FOLD
From our Newsroom

Our plastic planet

While climate change remains environmental issue #1, the worries over plastic in our water, soil, food, and bodies continue to grow.

Disinfection dangers: How to avoid viruses without exposing yourself to toxics

COVID-19 has all of us cleaning more—but the products designed to kill viruses and bacteria can have dangerous health impacts. Here's how to scrub safely.

Building a library of American environmental classics (Part Two)

More recommendations for your home eco-library.

Microplastics in farm soils: A growing concern

Researchers say that more microplastics pollution is getting into farm soil than oceans—and these tiny bits are showing up in our fruits, veggies, and bodies.

Cutting edge of science

An exclusive look at important research just over the horizon that promises to impact our health and the environment

Above The Fold

Daily & Weekly newsletters all free.