Early rheumatoid arthritis tends to affect your smaller joints first â particularly the joints that attach your fingers to your hands and your toes to your feet. As the disease progresses, symptoms often spread to the wrists, knees, ankles, elbows, hips and shoulders. In most cases, symptoms occur in the same joints on both sides of your body.
The Arabian Peninsula plays a critical geopolitical role in the Middle East and the Arab world due to its vast reserves of oil and natural gas. Before the modern era, it was divided into four distinct regions: Hejaz, Najd, Southern Arabia and Eastern Arabia.
In 1935, a 75-year oil concession was granted to the Qatar Petroleum Company and high-quality oil was discovered in 1940 in Dukhan. During the 1950s and 1960s, increasing oil revenues brought prosperity, rapid immigration, substantial social progress, and the beginnings of the country's modern history.rchaeological evidence has dated human occupation in the Qatar Peninsula to 50,000 years in the past, when small groups of Stone Age inhabitants built coastal encampments and sites for working flint. At this time, the Persian Gulf was a dry-land river valley.