An autoimmune disorder, rheumatoid arthritis occurs when your immune system mistakenly attacks your own body's tissues. Unlike the wear-and-tear damage of osteoarthritis, rheumatoid arthritis affects the lining of your joints, causing a painful swelling that can eventually result in bone erosion and joint deformity. The inflammation associated with rheumatoid arthritis is what can damage other parts of the body as well.
Slavery in ancient Rome played an important role in society and the economy. Besides manual labor, slaves performed many domestic services, and might be employed at highly skilled jobs and professions.Teachers, accountants, and physicians were often slaves.Greek slaves in particular might be highly educated.uring the Pax Romana of the early Roman Empire (1stâ2nd century CE), emphasis was placed on maintaining stability, and the lack of new territorial conquests dried up this supply line of human trafficking. To maintain an enslaved work force, increased legal restrictions on freeing slaves were put into place.
Duties of Athenian Slaves. The chattel slavery approach used by the Athenians seems to have been the more popular option across Greece. In fact, there is evidence that even the Spartans supplemented their helot workforce of serfs with chattel slaves.