Are Sperm Counts Declining?

Are sperm counts on the decline? Federal researchers hope they can find out. The government is about to launch the largest project ever to find out if something’s gone wrong with male reproductive health. The study will follow a recent report from the California Department of Health Services that startled the scientific community. The study found a significant drop in sperm count and raised questions about whether environmental chemicals are the culprit. The Great Lakes Radio Consortium’s Julie Edelson Halpert has more:

Radium Girls

It’s not unusual for authors to feel a bond with the people they write about. But that connection is especially strong between a modern-day university professor and a group of working class women in the early 1900’s. The Great Lakes Radio Consortium’s Wendy Nelson has more:

Early Puberty

A recent study in the medical journal Pediatrics reports that many girls in the U.S. are entering puberty much easier than normal. And as the Great Lakes Radio Consortium’s Suzanne Elston discovered, exposure to environmental chemicals may be the culprit: