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Health experts recommends that everyone should eat fish at least twice a week – including one portion of oily fish such as salmon or tuna.

Benefits of eating fish:

* Fish and shellfish are good sources of vitamins and minerals and are far lower in fat than any form of meat.

* Oily fish is also particularly high in omega-3 fatty acids, which have huge benefits to the heart and brain, and in vitamin D, which strengthens the bones.

* Regularly eating fish also means people tend to eat less red meat, reducing the risk of cancer and heart disease.

Sarah Toule, Hooked on Fish's  head of health information, said: ‘Fish offers many health benefits.

‘It’s high in protein and other nutrients, such as vitamin D and selenium, and it’s a great alternative to red meat. It is also one of the best sources of healthy omega-3 fats, which are essential for a healthy heart.

‘People should aim to eat fish at least twice a week including one serving of oily fish, such as salmon or herring. We have some amazing seafood from our shores – and what better time to start eating more fish than during the summer?’

However, some health experts warn that pregnant women should also eat no more than two portions a week of oily fish, because it also contains traces of mercury which can cause problems if they build up.

While others are advised to have no more than four portions of oily fish a week.

Research has found that adults who regularly eat fish are less susceptible to heart attacks, strokes and deaths from heart disease.

Despite the benefits, our overall consumption of seafood has declined in the past ten years.

Experts have attributed this to a change in our shopping habits and the shrinking economy.

Many adults now avoid doing a weekly shop in a large grocery store with its own fish counter. Instead they tend to stock up a few times a week in smaller stores with less of a range.

© Daily Mail