CSU study: Chemicals weaken male fertility
Sperm counts falling; testicular cancer increasing
By Bill Scanlon, Rocky Mountain News
Monday, February 18, 2008

A half-century of herbicides, chemicals and pollution have weakened the reproductive capacity of males - be they frogs, horses or humans, a Colorado State University researcher says.

Sperm counts are dropping about 1 percent a year; testicular cancer in young men has tripled in 50 years; male frogs aren't developing the voice boxes they need to attract mates.

Exposure to chemicals in products from pesticides to nail polish "can do permanent damage," particularly if the male is exposed in the womb, as a newborn or as an adolescent, said Rao Veeramachaneni, a biomedical sciences professor at CSU's College of Veterinary Medicine and Biomedical Sciences. the rest