With rheumatoid arthritis, morning stiffness usually lasts longer than 1 hour.

风湿关节炎患者的晨僵往往持续时间超过1小时。

Also, some systemic diseases such as diabetes, rheumatoid arthritis, and systemic lupus erythematosis can enhance inflammation in the periodontium which can lead to a shift in bacterial composition and increase the risk or severity of periodontitis.

此外，某些系统性病，例病、风湿关节炎、系统性红斑狼疮，会增牙周组织炎症，从而改变口腔微生物群中细菌的组成，并增大患牙周炎的风险或重牙周炎。

Take rheumatoid arthritis, which affects 1.3 million U.S. adults.

以风湿关节炎为例，这种病影响到 130 万美国成年人。

It is proven to treat malaria, rheumatoid arthritis and lupus.

经证明，这种药物可以治疗、风湿关节炎和狼疮。

The doctors did not release details, but said they were preparing to publish results. Acetemra is used to treat rheumatoid arthritis and other diseases.

医生并未透露细节，但是表示他们正在准备发表研究结果。Acetemra被用于治疗风湿关节炎等病。

Individuals may have an elevated risk if they also have immune diseases like type 1 diabetes or rheumatoid arthritis.

果患者有免疫性病（1型病或风湿关节炎），患病风险可能会更高。

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.

骨关节炎的疼痛往往非常尖锐、有灼烧感，随着活动剧，疼痛重，通常关节不肿胀，而风湿关节炎患者常常出现肿胀和疼痛。

Scientists are making progress with therapies that block TNF-alpha, one of the primary proteins causing inflammation in rheumatoid arthritis.

科学家在阻断 TNF-α 疗法上正取得研究进展，TNF-α 是导致风湿关节炎发炎的主要蛋白质之一。

This is an important difference between rheumatoid arthritis, an inflammatory disease that also affects the joints.

这与风湿关节炎有很大不同；风湿关节炎也是一种累及关节的炎症反应病。