Rheumatoid arthritis is a disease that occurs when the body’s immune system starts attacking its own joint tissue. the symptoms are pain, inflammation, and swelling in the joints. orthopedists (doctors who study bones) and immunologists (doctors who study the immune system) both work with patients who have rheumatoid arthritis. what is the difference between the orthopedists and immunologists who treat the disease?

not too sure but maybe in the hot springs.

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.