Eating oily fish may have the potential of helping to heighten the intelligence of teenagers!
In a Swedish study published in the Acta Paediatrica health journal in March 2009, it was found that there was a clear correlation between the frequency of eating fish and the IQ scores of the teenage boys who were the subject the study.
The study headed by Professor Kjell Toren of the Sahlgrenska University Hospital ingothenburg, Sweden examined the general IQ scores, verbal abilities and spatial understanding of 3,972 Swedish boys in year 2000 when they were 15 years old, and again 3 years later. It was found that compared to those who did not consume fish regularly, those who ate fish more than once a week scored an average of 12% higher in general IQ tests. They also did 9% better in verbal abilities, and 11% better in spatial understanding.
Researchers believe that this positive effect is due to the content of Omega-3 fatty acids in the fish. Omega-3 fatty acids have been shown to be essential for cognitive development and normal brain functioning, and a number of earlier studies have shown that eating fish during pregnancy improves intellectual development of the fetus.
Several other studies have also demonstrated that fish consumption can help to slow down the cognitive recline in elderly people.
Eating oily fish may have the potential of helping to reduce the risk of developing prostate cancer.
In another recent study published in the journal Clinical Cancer Research, scientists from the University of California in San Francisco found that the men who ate oily fish, which is rich in Omega-3 fatty acids one to three times per month recorded a 36% lower risk of prostate cancer than those who did not, while those who ate oily fish more than once a week had their risk reduced by 57%.
The researchers believed that the noted positive benefit is due to the effect of Omega-3 fatty acids in helping to combat inflammation, thereby reducing the risk factor that known to be linked to the disease.
The scientists who analysed and compared the diets of 466 men diagnosed with the disease and 478 healthy men, also found in the study that a high consumption of oily fish appeared to effectively reverse the inflammatory effect of a hazardous inherited gene, COX-2. COX-2 is known to promote inflammation and increase the risk of the prostate disease.
According to the study’s lead researcher, Professor John Witte, it was noted that the risk of the disease that was heightened by the COX-2 gene was essentially reversed by increasing Omega-3 fatty acids intake by 500mg a day.
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