1·One example of an autoimmune disease is rheumatoid arthritis.
类风湿性关节炎是自身免疫疾病的一种，患者常会出现疲劳感。
2·Objective to explore risk factors of rheumatoid arthritis.
目的探索类风湿性关节炎的危险因素。
3·Rheumatoid arthritis is a painful condition that affects your joints.
风湿性关节炎是影响关节令人痛苦的疾病。
4·The drug is injected into the joints of patients with rheumatoid arthritis.
这种药物注射到类风湿关节炎患者的关节。
5·[font=Times New Roman]One example of an autoimmune disease is rheumatoid arthritis.
类风湿性关节炎是自身免疫疾病的一种，患者常会出现疲劳感。
6·Objective: to investigate the quality of life in rheumatoid arthritis patients.
目的：探讨类风湿性关节炎患者的生活质量。
7·If you have rheumatoid arthritis (RA), your joints become stiff, painful, and swollen.
如果你患有风湿性关节炎(RA)，你的关节会变得僵硬、疼痛和肿胀。
8·If you have rheumatoid arthritis, this study provides news about a promising treatment.
如果你有风湿性关节炎，这项研究工作就提供了一个有前途疗法的信息。
9·The study included 121 people with rheumatoid arthritis who had six or more painful joints.
此项研究有121名风湿性关节炎患者参加，他们有六处或更多处疼痛的关节。
10·That's why you shouldn't be afraid to exercise even though you do have rheumatoid arthritis.
这就是为什么你不应该害怕行使，即使你有类风湿关节炎。