Accomplishments of Environmental Medicine Since its
establishment in 1966, the National Institute of Environmental
Health Sciences (NIEHS) has sponsored successful programs to: -
show a statistical link between the level of methylmercury
exposure in mothers during pregnancy and their children's
performance on neurological tests. - show calorie-restricted
diets may slow the development of bladder cancer. - show that
children who are exposed to relatively small amounts of
polychlorinated biphenyls (PCBs) before birth have higher rates
of low-normal IQ scores, poor reading comprehension, and memory
problems. - show that boys with relatively high levels of lead
in their bones are more likely to engage in aggressive acts and
delinquent behavior. - show that phenolphthalein, a widely-used
laxative, causes ovarian and other cancers in laboratory rats
and mice. - show that intercourse during the six days leading up
to a woman's ovulation is most likely to result in conception of
a child. - show there is a depletion i