found this on sky news very interesting headline on "healthy food"
SALMON CANCER WARNING
Scottish farmed salmon is so full of pollutant chemicals it should only be eaten once a month, scientists are warning.
The largest study so far into pollutants in the fish found chemicals linked to cancer and birth defects.
Levels of toxins were significantly higher in both European and North American farm-raised salmon than in fish caught in the wild.
The researchers recommend that only a half to one meal of farmed salmon bought in London and Edinburgh should be eaten per month.
This is the maximum amount that can be consumed before boosting the risk of cancer by at least one case in 100,000.
The same guidance applied to salmon bought from Frankfurt, Paris, Oslo, Boston, San Francisco and Toronto.
But the most contaminated fish came from farms in Scotland and the Faroe Islands, Denmark.
For these, the monthly limit was a mere quarter of an eight ounce serving.
Wild salmon, on the other hand, can be eaten as many as eight times a month.
The scientists put the higher toxin levels in farmed fish down to high levels contained in their feed - a mixture of ground-up fish and oil.
Production of farmed salmon has increased 40-fold over the past two decades.
The fish, sold in large quantities all year round in British supermarkets, is considered a nutritious food with important health benefits.
SALMON CANCER WARNING
Scottish farmed salmon is so full of pollutant chemicals it should only be eaten once a month, scientists are warning.
The largest study so far into pollutants in the fish found chemicals linked to cancer and birth defects.
Levels of toxins were significantly higher in both European and North American farm-raised salmon than in fish caught in the wild.
The researchers recommend that only a half to one meal of farmed salmon bought in London and Edinburgh should be eaten per month.
This is the maximum amount that can be consumed before boosting the risk of cancer by at least one case in 100,000.
The same guidance applied to salmon bought from Frankfurt, Paris, Oslo, Boston, San Francisco and Toronto.
But the most contaminated fish came from farms in Scotland and the Faroe Islands, Denmark.
For these, the monthly limit was a mere quarter of an eight ounce serving.
Wild salmon, on the other hand, can be eaten as many as eight times a month.
The scientists put the higher toxin levels in farmed fish down to high levels contained in their feed - a mixture of ground-up fish and oil.
Production of farmed salmon has increased 40-fold over the past two decades.
The fish, sold in large quantities all year round in British supermarkets, is considered a nutritious food with important health benefits.
