A new study
published last month in Neurotoxicology indicates that drinking green tea along
with a meal high in lead may protect against lead poisoning.
Researchers found that when green tea was consumed along with a
chemical known as lead acetate, the chemical caused less damage to the brain
and nervous system than when the lead acetate was administered alone.
For the study, five groups of rats were fed placebos, lead acetate,
lead acetate along with green tea, solely green tea for one month, or lead
acetate for one month, followed by green tea for 15 days.
Lead is controlled in processed food in the United States. The total of
all heavy metals, including lead, should not exceed 10 parts per million (ppm)
in any food ingredient.
Recent cases of lead poisoning from food include candy and imported
spices. The Food and Drug Administration (FDA) recommends that candy
manufacturers limit lead levels to 0.1 ppm. However, imported products, such as
spices and powders, pose a particular threat, because many countries do not
share the United States’ standards concerning lead.
Children are at the greatest risk for lead poisoning, because they are
still developing and their small bodies would contain higher concentrations
than adults. Possible complications resulting from lead poisoning are learning
disabilities, mental retardation, behavioral problems, lowered intelligence,
stunted growth, and hearing impairment.
nutritionhorizon.com
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