WEDNESDAY, Feb. 8 (HealthDay News) — Trans fat levels in the
blood of white adults in the United States fell by 58 percent between 2000
and 2009, which should help lower the risk of cardiovascular disease in
the nation, a U.S. Centers for Disease Control and Prevention study
says.
The findings suggest that public health initiatives to increase
consumer awareness about the danger that trans fats pose to heart health
and to help people reduce their consumption of trans fats have been
effective, according to the researchers.
They analyzed data from white adults who took part in the U.S. National
Health and Nutrition Examination Survey from 2000 to 2009. Their goal was
to examine trans fat blood levels before and after the 2006 implementation
of a U.S. Food and Drug Administration law requiring food and some dietary
supplement makers to list the amount of trans fats on the Nutrition Facts
panels of the product label.
During the study period, some local and state health departments worked
to force restaurants to limit their use of trans fats in food and to boost
campaigns about the health risks of trans fats.
“The 58 percent decline shows substantial progress that should help
lower the risk of cardiovascular disease in adults,” Christopher Portier,
director of the CDC‘s National Center for Environmental Health, said in an
agency news release.
“Findings from the CDC study demonstrate the effectiveness of these
efforts in reducing blood [trans fats] and highlight that further
reductions in the levels of trans fats must remain an important public
health goal,” he added.
Dr. Howard Weintraub, clinical director of the Center for the
Prevention of Cardiovascular Disease at NYU Langone Medical Center, is
encouraged by the new findings.
“Trans-fats have been shown to be highly linked to atherosclerosis, the
hardening and narrowing of arteries,” Weintraub said. “Cities have banned
trans-fats from restaurant cooking and this report shows there can be a
true measurable difference from these proactive actions.”
The study, published Feb. 8 in the Journal of the American Medical
Association, provides information for white adults only. However,
additional CDC studies are underway to examine blood trans fat levels
among adults in other racial/ethnic groups, children and teens.
Foods high in trans fats include store-bought baked goods such as
crackers, cookies and cakes, many fried foods and some shortenings and
margarines.
Unlike other dietary fats, trans fats are not necessary for people and
do not promote good health, according to the CDC. High consumption of
trans fats increases levels of LDL “bad” cholesterol, which boosts the
risk of cardiovascular disease.
Another expert also weighed in on the findings.
“With the direct effect of trans-fatty acids on the increase in LDL,
which is the cholesterol leading to heart disease, this FDA initiative
clearly had significant benefits on public health outcomes,” said Dr.
Suzanne Steinbaum, a preventive cardiologist at Lenox Hill Hospital in New
York City.
But problems with the American diet are still far from solved,
Weintraub warned.
“The new CDC report shows that people are concerned about trans-fats,
since a nearly 60 percent decrease is really impressive,” Weintraub said.
“But Americans are still getting fatter and diabetes is getting higher. We
shouldn’t feel we have these epidemics beat because trans-fats are
down.”
More information
The American Heart Association has more about trans fats.
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