Siberian tiger / Amur tiger (Panthera tigris altaica) Siberian tiger vs. Bengal tiger. This subject qualifies as part of interesting facts, but it will certainly be interesting to many people. In short, you can say about the Bengal tiger that it has a nasty character.
One, several, or multiple joints are at risk for rheumatoid arthritis. Certain conditions can cause rheumatoid arthritis to develop and become worse. These causes include bacterial infections, viruses, injuries, and other genetic condition. SjÃ¶gren's syndrome is an autoimmune condition that is frequently diagnosed in conjunction with rheumatoid arthritis.
Read Transcript. We don't know exactly what cause flare-ups per say, but it's thought that maybe things like stress, or weather changes, or an acute illness of some other sort, all these things that can kind of trigger your immune systems can cause immune systems to have a flare of your arthritis. Helpful?