Due to uncontrolled use for several decades, dichlorodiphenyltrichloroethane (DDT),
probably the best known and most useful insecticide in the world, has damaged wildlife and …

Many wildlife species may be exposed to biologically active concentrations of endocrine-
disrupting chemicals. There is strong evidence obtained from laboratory studies showing the …

Endocrine Disrupting Chemicals (EDCs) have been shown to produce changes in the
endocrine system of organisms that lead to increases in cancers and abnormalities in …

It has been hypothesized that environmental exposure to synthetic estrogenic chemicals and
related endocrine-active compounds may be responsible for a global decrease in sperm …

Widespread and persistent organochlorine (OC) contaminants, such as polychlorinated
biphenyls (PCBs) and pesticides, are known to have broad-ranging toxicities in wildlife. In …

In recent years, evidences have accumulated that exposure to environmental components
with estrogenic activity causes reproductive disorders in human populations. Studies …

Several consensus definitions of the term endocrine disruptor have appeared recently, but
all definitions include the important, though frequently implicit, stipulation that the animal is …

There is no existing formal, long-term program for gathering evidence of the incidence and
severity of the health effects of toxic substances in wildlife. However, research-based studies …

Hypospadias is one of the most common congenital anomalies in the United States,
occurring in approximately 1 in 125 live male births. Embryological studies have …

Ponds within cattle farms often support turtle and fish populations and are impacted by
manure runoff. Cattle excrete metabolized (glucuronide-conjugated) hormones in feces and …