The study appeared earlier this year in the journal Arthritis and Rheumatism. 这项研究发表在今年早期的关节炎风湿病杂志上。
Arthritis is not a single disease. 关节炎不是一种单一的疾病。
The MedlinePlus Medical Encyclopedia, a United States government website, says there are more than one hundred different kinds.
美国政府的MedlinePlus医学百科网站表示这种疾病有超过一百种不同的类型。
Arthritis produces pain, swelling and limited movement in one or more joints. 关节炎会产生疼痛浮肿,也会限制在一个或者多个关节上的运动。
It involves the breakdown of cartilage. 它也会牵涉到软骨的损坏。