LONDON: A high intake of fatty acids found in fish is associated with a 14 per cent reduction in the risk of breast cancer in later life, a new study has claimed.
According to the study published on bmj.com, each 0.1 g per day or 0.1 per cent energy per day increment of intake of n-3 polyunsaturated fatty acid (n-3 PUFA) derived from fish was associated with a 5 per cent reduction in breast cancer risk.
To achieve this risk reduction, intake of oily fish such as salmon, tuna or sardines should be 1-2 portions per person per week.
Researchers from Zhejiang University in China set out to investigate the association between fish and n-3 PUFA intake and the risk of breast cancer. Levels were measured from both dietary sources and blood tests.
They reviewed and analyzed the results of 26 studies from the US, Europe and Asia involving over 800,000 participants and over 20,000 cases of breast cancer.
Marine n-3 PUFA was associated with a 14 per cent reduction of breast cancer between the highest and lowest category of marine n-3 PUFA intake.
The risk was lowest in Asian populations, probably because fish intake is much higher in Asia than in western countries, authors said.-PTI
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