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Many people experiencing knee pain express concerns or complaints about certain weather condition causing painful episodes or an increase in usual chronic pain. As this is quite common, it was a surprise to find that there doesn’t currently exist any scientific data or research on the existence of a relationship between the weather and pain; that is until now.

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Cartilage plays an incredibly important role in joints, being firm and flexible, but softer than bone. Cartilage covers bone surfaces where they intersect and move against each other, to allow smooth joint movement. However, like other parts of the body, cartilage can wear down over time and this can lead to degenerative arthritis, which is also known as osteoarthritis. This condition is one of the most common joint disorders in the Western world.

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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.

Patellofemoral pain syndrome, also known as chondromalacia patella or anterior knee pain, is a common injury amongst runners both experienced and beginner. It is an overuse injury that is difficult to determine, but could be a result of biomechanics or muscular faults. The condition is not limited to one knee and can be linked to other injuries.

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A broken kneecap is one of the less likely knee injuries but can be incredibly painful and debilitating to those that do suffer from one. They are usually caused by the result of a direct blow to the knee, which can happen by falling forward, in a car accident or while playing sports such as football and rugby.

A torn cartilage injury, also referred to as a meniscus tear injury, is one of the most common knee injuries amongst those aged over 65 and athletes who play contact sports, like football and rugby, or those that involve jumping, such as basketball.

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Although the precise cause of osteoarthritis is not known, predisposing factors include injury to the joint, other conditions such as gout or rheumatoid arthritis, congenital abnormalities, age, family history and obesity. Secondary osteoarthritis can occur if the condition is caused by another disease or condition.

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Osteochondritis dissecans, or OCD, is a rare condition caused when a fragment of bone becomes loose in the joint. The condition’s cause differs depending on your age. For adults, OCD forms after the physis or epiphyseal plate has closed, while for young people, it can occur while still growing.

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Osgood-Schlatter disease, sometimes referred to as Osgood's or OSD, is a condition that causes the bones, cartilage and tendons at the top of the shinbone or tibia where the patellar tendon is attached to become inflamed. The syndrome is most commonly found amongst active young people aged 8 to 15 years old but has also been known to affect some adults too.

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Osteoarthritis (OA) is a condition that is usually associated with individuals over the age of 45 years. This situation is changing and now an increasing number of younger people are diagnosed with the condition. There are thought to be several reasons for this.

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