​There is proof that the martial art tai chi can help with the symptoms and pain of knee osteoarthritis (OA). We look at the evidence below and explain how tai chi can improve the condition.

Written for OA Knee Pain by Registered Dietician Nichola Ludlam-Raine. Nichola works as an NHS, freelance and private dietician and has appeared on BBC breakfast a number of times to provide her expert opinion. Here she tells us about the top 10 lifestyle and healthy eating tips for before and after surgery.

Everyone is wary about consuming too much fat, although there is one fat you simply can't get enough of, and that is omega-3 fatty acid. Omega-3 helps our body to function and also has a wide range of health benefits.

Vitamin D is a nutrient that is needed to keep teeth, muscles and bones healthy. It does this by regulating the amount of calcium and phosphate in the body. A lack of vitamin D can lead to health problems such as rickets in children and osteomalacia in adults. In this guide, we will look at the best sources of vitamin D.

For anyone interested in the sports or activities which help us to keep fit and healthy the potential for injury is always present. Injuries will very often involve the knee joint. This is because the knee is one of the largest and most complex joints in our body.

New foods are also appearing all the time, and not all of these have been thoroughly tested for beneficial properties, so it is also quite possible to find a food that may help you personally. Whether you do or do not believe that specific foodstuffs can alleviate osteoarthritis, it certainly appears that a healthy balanced diet and the maintenance of a reasonable body weight can help those with arthritis. Arthritis is an inflammatory condition, so it makes sense to focus on those foods that can fight inflammation.

There are many foods that can benefit your health, but we don’t often think of the herb and spice cupboard as holding anything particularly special. It turns out, however, that there are many excellent ingredients in spices that can not only benefit our health but also improve ailments and reduce symptoms of other health problems. Read on to discover more about the health benefits of spices. There are many spices that we can use in cooking and they all have their own special properties. From ginger to turmeric and paprika to cinnamon, every spice has its own distinct aroma, taste and health-giving properties.

​Osteoarthritis is a condition that affects your joints. It is caused by everyday wear and tear rather than any specific immune condition, but it is still painful and can be debilitating. It is caused when the cartilage that covers and protects the ends of your bones, where they join, becomes roughened and thickened. The bone underneath the cartilage also thickens, as do the ligaments, the synovium (the inner layer of the joint capsule) and the capsule itself. Sometimes extra synovial fluid is produced, which causes the joint to swell.

Superfoods should be incorporated into your daily meals and snacks for optimum results, and should be treated as a regular part of your diet rather than just eaten occasionally when you're on a health kick. All the superfoods in this article are readily available, easy to cook, and complement a number of popular everyday dishes. There's no reason to change your eating habits in order to incorporate superfoods into your diet - most meals can benefit from the addition of one or two of the superfoods from our list.

Swimming is a great activity for fun and keeping fit. In addition to burning calories, it has proven benefits for the heart and generally improves muscle tone. If you are swimming because you aim to lose weight, it is important to combine the sport with the right diet too.