Osteoarthritis is really common, and nearly everyone knows someone that suffers from it.

关节炎十分常见，几乎每个人身边都有该病者。

Which can boost the risk of osteoarthritis and the need for hip replacement in middle age.

这会增加关节炎发病率从而使得病者在中年时需要进行髋关节置换手术。

Nowadays, it’s thought that inflammation does indeed play an important role in the development of osteoarthritis.

现如今，炎症反应被认为确实在关节炎病程发展中，起到了不可忽视作用。

Still in his mid-50s, he suffered severe osteoarthritis.

50时候， 他就备受关节炎折磨。

Dolly who had to be put down in 2003 had aged prematurely because she developed osteoarthritis at a relatively young age.

利在相对年轻数关节炎，因此未老先衰，2003年不得不被实施安乐死。

People can also develop things called osteoarthritis, where you actually lose cartilage and you have more kind of bone on bone.

人们也可以叫做关节炎病，你实际失去了软，你头有更种类头。

Finally, management and treatment of osteoarthritis can involve non-pharmacological approaches, like losing weight or moderate exercise, as well as physical therapy.

最后，关节炎治疗和处理常使用非药物疗法，如减肥或适当运动，以及物理疗法。

People with osteoarthritis often feel stiffness in the morning, which usually lasts less than 1 hour but comes back at the end of the day.

关节炎者往往感到晨僵，晨僵时间往往不超过一小时，但在一天结束时又会发生。

Scientists have observed that bromelain has a host of other potential uses too, including as a treatment for osteoarthritis, autoimmune diseases, viral infections, burns, and breast cancer.

科学家观察到，菠萝蛋白酶也有许其他潜在用途，包括作为关节炎、自身免疫性疾病、病毒感染、烧伤和乳腺癌治疗方法。

Also, joint injury, which brings with it a lot of inflammation, seems to be a major risk factor for osteoarthritis, as well as mechanical stress and obesity.

同时关节损伤也会带来大量炎症反应，这也成为关节炎一个重要危险因素，此外还有机械压和肥胖因素等。

The biggest risk factor for osteoarthritis seems to be age, and often the cartilage degrades over longer periods of time, which makes it really hard to pinpoint one single culprit.

关节炎最大危险因素似乎是年龄，软逐渐退行性变需要很长时间，这让我们很难找出罪魁祸首。

The pain in osteoarthritis is usually a sharp ache or burning sensation, which also gets worse with prolonged activity, but usually the joints don’t swell, whereas rheumatoid arthritis typically involves painful swelling.

关节炎疼痛往往非常尖锐、有灼烧感，随着活动加剧，疼痛加重，通常关节不肿胀，而类风湿关节炎者常常出现肿胀和疼痛。

It was once thought that the “itis” part of osteoarthritis was a misnomer, and that inflammation didn’t play a role in its development, and that it was mostly a degenerative disease resulting from simple “wear and tear”.

人们曾一度认为关节炎中“炎”字用词不当，因为当时认为病程发展中炎症反应并没有起到作用，关节炎仅仅是由于单纯磨损导致一种退行性疾病。