关节炎影响北美约 5850 万美国人和 600 万加拿大人。这是影响人们健康的原因之一。症状包括疼痛、僵硬、肿胀和炎症。它通常有多种原因，例如衰老、氧化应激、错误的饮食习惯、吸烟、肥胖和缺乏运动。
1 There are several ways to decrease the effects of oxidative stress: by reducing your exposure to oxidizing properties, by increasing levels of endogenous and exogenous antioxidants, or by stabilizing the cell’s mitochondrial energy production and efficiency.
* Citations: (n.d.). Arthritis Facts and Figures. Arthritis.ca. https://arthritis.ca/about-arthritis/what-is-arthritis/arthritis-facts-and-figures; (n.d.). Arthritis. Cdc.gov. https://www.cdc.gov/chronicdisease/resources/publications/factsheets/
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arthritis%2C%20and%20lupus; (n.d.). Arthritis. Clevelandclinic.org. https://my.clevelandclinic.org/health/diseases/12061-arthritis; (n.d.). Arthritis. Mayoclinic.org. 
