London, May 9: Consuming one gram of fish oil every day and including spinach in the diet could help reduce the pain of patients with osteoarthritis, the most common form of arthritis that generally affects the hands, hips and knees.

In the study published in the journal Rheumatology, the researchers examined the link between diet and the effective self-management of osteoarthritis.

Analysing 68 previous studies in the field, they found that a low-dose supplement of fish oil (one and a half standard capsules) could result in pain reduction for patients with osteoarthritis and help improve their cardiovascular health. 

Essential fatty acids in fish oil reduce inflammation in joints, helping to alleviate pain, the study said.

An increase in foods rich in vitamin K such as kale, spinach and parsley was also found to deliver benefits to patients with osteoarthritis. 

Vitamin K is needed for vitamin-K-dependent (VKD) proteins, which are found in bone and cartilage. 

An inadequate intake of the vitamin adversely affects the working of the protein, affecting bone growth and repair and increasing the risk of osteoarthritis.

"The importance of a good diet and regular exercise should never be underestimated. Not only does it keep us fit and healthy, but as we have learned from this study, it can also lessen painful symptoms of osteoarthritis," said study co-author Margaret Rayman, Professor at the University of Surrey in Britain.

"We are what we eat and it is important that we have the right amount of nutrients from our food to ensure that our body systems work as they should," Rayman added. 

The researchers also found that a reduction of weight for overweight and obese patients and the introduction of exercise tailored to mobility could also help ease the symptoms of osteoarthritis. 

Not only does obesity increase strain on joints, it can cause low-grade, systemic inflammation in the body aggravating the condition further.

A calorie restricted diet, combined with strengthening, flexibility and aerobic exercises, was identified as an effective approach in reducing pain in overweight patients.

There is no evidence that a calorie restricted diet does anything beneficial for lean patients with the condition, the study said.

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New Delhi (PTI): Union minister Rajnath Singh on Tuesday led the ruling National Democratic Alliance's efforts in reaching out to opposition parties to build a consensus on the choice for the Lok Sabha Speaker.

The NDA candidate for the key parliamentary position will file his nomination on Tuesday, the day scheduled for the process.

Sources said the senior BJP leader spoke to Congress president Mallikarjun Kharge, and DMK leader and Tamil Nadu Chief Minister M Stalin among other opposition leaders in efforts to build a consensus.

They said that nomination could be filed for the deputy speaker's position too, but added it will depend on various factors, including the opposition's stand.