Arthritis is a chronic disease.

关节炎是一种慢性病。

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Rheumatoid arthritis is a chronic disease in which the body's immune system attacks and destroys healthy joint tissue.

风湿性关节炎是一种身体免疫系统攻击并摧毁健康的关节组织的慢性疾病。

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Rheumatoid arthritis is a chronic disease that causes pain, stiffness, swelling, and limitation in the motion and function of multiple joints.

类风湿性关节炎是一种慢性疾病，造成多关节的疼痛、僵硬、肿胀与运动和功能受限。

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The problem is that more than 130 million Americans have a chronic illness such as diabetes, arthritis or heart disease.

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