Fish has always been considered as a highly beneficial food item but thanks to environmental pollution we are going to lose the benefits of eating fish. Toxins in fish harm us badly.
A new study warns that the environmental pollutants found in fish can hamper the human body’s natural defense system i.e. immune system to flush out the harmful toxins.
The study observed 10 persistent organic pollutants (POPs) including the pesticide DDT and industrial chemicals such as flame retardants, present in yellowfin tuna, human blood and urine.
All these pollutants were discovered to impact the effectiveness of a key protein in humans and animals, P-gp which flushes out the foreign chemicals from the body.
“When we eat contaminated fish, we could be reducing the effectiveness of this critical defense system in our bodies,” said lead author Amro Hamdoun of the Marine Biology Research Division at the Scripps Institution of Oceanography at the University of California, San Diego.
The researchers point out that newborns and fish larvae are two of the most vulnerable populations. Newborns are particularly vulnerable since they are exposed to high concentrations of POPs in breast milk, and have low amounts of the protective P-gp protein.
Fish larvae may be at increased risk since the accumulation of pollutants may slow down the animal’s defense system to combat other marine pollutants, such as oil hydrocarbons encountered at oil spill sites.
This information should be used as guideline to evaluate the health risks faced by mankind from eating contaminated seafood. This suggestion has been given by the researchers at the University of California.
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