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Conditions Encyclopedia Entry 1777263788
** This encyclopedia entry is about **Rheumatoid Arthritis (RA)**, a chronic autoimmune disorder that causes inflammation and pain in the joints. **CONTENT:** ## Overview Rheumatoid Arthritis (RA) is a complex and debilitating condition that affects millions of people worldwide. It is a chronic autoimmune disorder that causes the immune system to attack the lining of the joints, leading to inflammation, pain, and stiffness. RA can affect any joint in the body, but it most commonly affects the hands, feet, wrists, elbows, knees, and ankles. The symptoms of RA can vary from person to person, but they often include joint pain and stiffness, swelling, redness, and warmth around the affected joints, as well as fatigue, fever, and loss of appetite. RA is a systemic disease, meaning that it can affect not only the joints but also other parts of the body, such as the skin, eyes, lungs, heart, and blood vessels. In severe cases, RA can lead to joint deformity, disability, and even life-threatening complications. Despite its severity, RA is a treatable condition, and with proper management, many people with RA are able to lead active and fulfilling lives. ## History/Background The first recorded description of RA dates back to the 17th century, when the English physician Thomas Sydenham described a condition that he called "gouty arthritis." However, it was not until the 20th century that RA was recognized as a distinct medical condition. In the 1940s and 1950s, researchers began to understand the role of the immune system in RA, and the development of new treatments, such as corticosteroids and disease-modifying antirheumatic drugs (DMARDs), revolutionized the management of the condition. ## Key Information RA is caused by a combination of genetic and environmental factors, including: * **Genetics:** RA tends to run in families, and certain genetic markers have been identified as risk factors for the condition. * **Environmental factors:** Exposure to certain environmental toxins, such as silica and heavy metals, has been linked to an increased risk of RA. * **Hormonal factors:** Hormonal changes, such as those that occur during pregnancy or menopause, can trigger RA in some people. The symptoms of RA can be divided into two main categories: * **Joint symptoms:** Joint pain and stiffness, swelling, redness, and warmth around the affected joints. * **Systemic symptoms:** Fatigue, fever, loss of appetite, and weight loss. RA is diagnosed based on a combination of clinical evaluation, laboratory tests, and imaging studies. The diagnosis is often made using a combination of the following criteria: * **American College of Rheumatology (ACR) criteria:** A set of criteria that includes symptoms, laboratory tests, and imaging studies to diagnose RA. * **Rheumatoid factor (RF) test:** A blood test that detects the presence of RF, an antibody that is often present in people with RA. * **C-reactive protein (CRP) test:** A blood test that measures the level of CRP, a protein that is produced in response to inflammation. ## Significance RA is a significant public health concern, affecting millions of people worldwide. It is estimated that RA affects up to 1% of the global population, and it is a leading cause of disability and work loss. RA also has a significant economic burden, with estimated annual costs of over $100 billion in the United States alone. Despite its severity, RA is a treatable condition, and with proper management, many people with RA are able to lead active and fulfilling lives. The development of new treatments, such as biologic agents and Janus kinase (JAK) inhibitors, has revolutionized the management of RA, and researchers continue to explore new treatments and therapies. **INFOBOX:** - **Name:** Rheumatoid Arthritis - **Type:** Chronic autoimmune disorder - **Date:** First described in the 17th century - **Location:** Affects joints worldwide - **Known For:** Chronic inflammation and pain in the joints **TAGS:** Rheumatoid Arthritis, autoimmune disorder, chronic condition, joint pain, inflammation, fatigue, fever, loss of appetite, disability, work loss, public health concern, economic burden, treatment, management, biologic agents, Janus kinase inhibitors.
Health & MedicineConditions Encyclopedia Entry 1782430986
** This encyclopedia entry is about **Rheumatoid Arthritis (RA)**, a chronic autoimmune disorder that causes inflammation and pain in the joints. **CONTENT:** ## Overview Rheumatoid Arthritis (RA) is a complex and debilitating condition that affects millions of people worldwide. It is a chronic autoimmune disorder that causes the immune system to attack the lining of the joints, leading to inflammation, pain, and stiffness. RA can affect any joint in the body, but it most commonly affects the hands, feet, wrists, elbows, knees, ankles, and shoulders. The symptoms of RA can vary from person to person, but they often include joint pain, swelling, and stiffness, as well as fatigue, fever, and loss of appetite. RA is a progressive condition, meaning that it can worsen over time if left untreated or undertreated. However, with proper treatment and management, many people with RA are able to lead active and fulfilling lives. Treatment for RA typically involves a combination of medications, lifestyle changes, and alternative therapies. The goal of treatment is to reduce inflammation, slow disease progression, and improve quality of life. ## History/Background The exact cause of RA is still not fully understood, but it is believed to be a combination of genetic and environmental factors. Research suggests that RA may be triggered by a combination of genetic mutations, environmental toxins, and hormonal imbalances. The first recorded mention of RA was in the 1800s, when it was described as a condition characterized by joint pain and inflammation. Over the years, our understanding of RA has evolved, and it is now recognized as a distinct medical condition with its own set of symptoms and treatment options. ## Key Information * **Symptoms:** Joint pain, swelling, and stiffness, fatigue, fever, loss of appetite * **Causes:** Genetic and environmental factors, including hormonal imbalances and environmental toxins * **Risk Factors:** Family history, age, sex, smoking, obesity * **Complications:** Joint damage, deformity, disability, eye problems, lung disease * **Treatment:** Medications, lifestyle changes, alternative therapies, such as physical therapy and acupuncture * **Stages:** Early RA, established RA, advanced RA ## Significance RA is a significant public health concern, affecting millions of people worldwide. It is estimated that RA affects 1% of the global population, with women being more likely to develop the condition than men. RA can have a significant impact on quality of life, causing pain, disability, and emotional distress. However, with proper treatment and management, many people with RA are able to lead active and fulfilling lives. **INFOBOX:** - Name: Rheumatoid Arthritis (RA) - Type: Chronic autoimmune disorder - Date: First recorded mention in the 1800s - Location: Global - Known For: Chronic joint pain and inflammation **TAGS:** Rheumatoid Arthritis, autoimmune disorder, chronic condition, joint pain, inflammation, fatigue, fever, loss of appetite, treatment, management, lifestyle changes, alternative therapies, public health concern, quality of life, disability, emotional distress. **When to Seek Professional Care:** If you are experiencing symptoms of RA, such as joint pain, swelling, and stiffness, seek medical attention from a healthcare professional. Early diagnosis and treatment can help slow disease progression and improve quality of life. If you have a family history of RA or are experiencing symptoms that are severe or persistent, seek medical attention immediately.