-- Robert Preidt
THURSDAY, Nov. 21, 2013 (HealthDay News) -- Mercury levels in
American women of childbearing age have dropped about one-third
over a decade, a new federal study shows.
It's likely the trend can be attributed to women making more
informed choices about what types of seafood are safer to eat,
health officials said.
An analysis of national data found that blood mercury levels
among women in this age group dropped 34 percent between 1999 and
2010, according to the U.S. Environmental Protection Agency.
The EPA also found that the percentage of women of childbearing
age with blood mercury levels above the "level of concern" fell 65
percent during the study period.
Even so, there was little change in the amount of fish eaten by
women between 1999 and 2010. The decrease in mercury levels
suggests that women may have started eating types of fish with
lower mercury levels, the EPA said in an agency news release.
The agency noted that fish and shellfish are an important part
of a healthy diet. These foods are a source of high-quality
protein, many vitamins and minerals, omega-3 fatty acids, and are
mostly low in saturated fat. A well-balanced diet that includes a
variety of fish and shellfish can be good for heart health and
children's growth and development.
However, nearly all fish and shellfish contain traces of
mercury. For most people, the risk from mercury by eating fish and
shellfish is low, the agency noted. But some fish and shellfish
contain higher amounts of mercury that may harm an unborn baby or a
young child's developing nervous system. The risks depend on the
amount of fish and shellfish eaten and the levels of mercury in the
Women who may become pregnant, pregnant women, nursing mother,
and young children should avoid some types of fish, but continue to
eat fish and shellfish that are low in mercury, the EPA and U.S.
Food and Drug Administration recommended.
The agencies offered the following advice:
The U.S. Environmental Protection Agency has more about
mercury in seafood.
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