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Sunday, 18 August 2013

Eating oily fish 'halves rheumatoid arthritis risk'


Eating at least one portion of oily fish, such as salmon or mackerel, a week can halve the risk of developing rheumatoid arthritis, experts believe.The findings come from a study of more than 32,000 Swedish women and they offer another reason to follow the established dietary advice of regularly consuming fish for good health.

A fishy diet is beneficial because it is rich in omega-3, say researchers.
Omega-3 is said to protect both the heart and the brain.
It appears to be a good anti-inflammatory agent, which would explain how it might combat arthritis, say researchers in the journal Annals of the Rheumatic Diseases.

In the study, which spanned a decade, women who consistently ate any type of fish at least once a week cut their risk of developing rheumatoid arthritis by nearly a third.
And those who ate at least one portion of oily fish or four servings of other fish each week halved their risk.

'Substantial changes in diets'

The study did not look at fish oil supplements, but experts say these may also be beneficial.
Prof Alan Silman, medical director of Arthritis Research UK, said: "We've known for some time that there is good evidence that, in people with active arthritis, taking fish oils can reduce the level of inflammation."
He said the study suggests that taking high levels of fish oils can prevent inflammation from starting in the joint. "One of the challenges is that this can mean quite substantial changes in people's diets."
Rheumatoid arthritis affects more than 580,000 people in England and Wales. As the disease progresses, the immune system attacks the joints, making them stiff, swollen and painful.

Oily fish

  • Includes herring, mackerel, pilchard, salmon, sardine, trout and fresh tuna
  • Rich in long-chain omega-3 fatty acids and vitamin D
  • Some white fish and shellfish also contain omega-3 but not as much as oily fish
  • A healthy diet should include at least two portions of fish a week, including one of oily fish
  • A portion of oily fish is around 140g when cooked
  • Pregnant women and those who want to conceive in the future should eat no more than two portions of oily fish a week because it can contain low levels of pollutants that can build up in the body
Source: NHS Choices
From BBC News- Health

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