Core Viewpoint - Arthritis is a chronic disease and the leading cause of disability, with over 100 types, the most common being osteoarthritis. In China, the prevalence of osteoarthritis is 15%, affecting over 100 million people, with an increasing trend of incidence with age [1][6]. Group 1: Osteoarthritis - Osteoarthritis is characterized by joint pain and stiffness, often exacerbated by weight-bearing activities such as climbing stairs or squatting. As the disease progresses, even walking on flat surfaces can cause significant pain [5][10]. - Factors contributing to osteoarthritis include obesity, joint cartilage damage, knee joint deformities, and prolonged exposure to cold and damp environments. The likelihood of developing the disease increases with age, and women are 2 to 3 times more likely to be affected than men. There is a noticeable trend of younger individuals developing osteoarthritis [6][8]. - Treatment options for osteoarthritis include exercise, physical therapy, medication, and surgery. Joint replacement surgery, particularly for weight-bearing joints like the knee and hip, has become more affordable, with costs potentially reduced to half of previous prices [10]. Group 2: Rheumatoid Arthritis - Rheumatoid arthritis is a common autoimmune disease that primarily affects peripheral joints, such as fingers and toes. If inflammation is not controlled, it can lead to damage of joint cartilage, bone, and joint capsules, resulting in deformities and loss of function [11][13]. - The exact causes of rheumatoid arthritis are unclear but are believed to involve multiple factors, including repeated infections, cold exposure, fatigue, genetics, and hormonal imbalances. Advances in treatment have made it possible to prevent and manage the disease effectively [15][17]. Group 3: Gouty Arthritis - Gouty arthritis is closely related to dietary habits, with a higher prevalence in men and a trend towards younger patients. Factors such as excessive alcohol consumption, high-purine diets, and lack of sleep are significant contributors [19][21]. - Gout is characterized by sudden onset of joint inflammation, often peaking within 12 hours, with common symptoms including redness, swelling, and tenderness in affected joints. Preventive measures include dietary control, adequate hydration, and avoiding triggers like late-night activities and intense exercise [21].

Core Viewpoint - Osteoarthritis is a chronic disease with a prevalence rate of 15% in China, affecting over 100 million people, with an increasing incidence among older populations [1][3]. Group 1: Osteoarthritis Overview - Osteoarthritis is the most common type of arthritis, characterized by joint pain and stiffness due to cartilage damage [3]. - The early symptoms include pain during weight-bearing activities, which can progress to pain even while walking on flat surfaces as the disease advances [5]. - Factors contributing to osteoarthritis include obesity, cartilage damage, joint deformities, and prolonged exposure to cold and damp environments [5]. Group 2: Demographics and Trends - The likelihood of developing osteoarthritis increases with age, and women are 2 to 3 times more likely to be affected than men [5]. - There is a notable trend of younger individuals developing osteoarthritis, attributed to lack of care during physical activities and sports injuries [7]. Group 3: Treatment Options - Treatment methods for osteoarthritis include exercise, physical therapy, medication, and surgery, with joint replacement being a common procedure for weight-bearing joints like the knee and hip [9]. - The cost of joint replacement surgery has decreased significantly, with current self-pay costs potentially being half of what they were previously, around 50,000 to 60,000 yuan [9]. Group 4: Rheumatoid Arthritis - Rheumatoid arthritis, affecting over 5 million people in China, is an autoimmune disease that primarily damages peripheral joints [11]. - If inflammation from rheumatoid arthritis is not controlled, it can lead to complications affecting internal organs, such as lung and kidney issues [11][13]. - Treatment for rheumatoid arthritis often involves immunosuppressants and targeted therapies, which have seen rapid advancements [15]. Group 5: Gouty Arthritis - Gouty arthritis is closely linked to dietary habits, with a higher prevalence in men and a trend towards younger patients [17]. - Factors such as excessive alcohol consumption, high-purine diets, and lack of sleep are significant contributors to the onset of gout [17]. - Prevention strategies include dietary control, adequate hydration, and avoiding triggers like late-night activities and intense exercise [19].