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.
The Arabian Peninsula itself was not entirely originally Arabic. Arabization occurred in some parts of the Arabian Peninsula. For example, the language shift to Arabic displaced the indigenous South Semitic Old South Arabian languages of modern-day Yemen and southern Oman.he Arabs of North Africa are descendants of Arabian tribes of Banu Hilal native of Middle East and of others tribes native of Saudi Arabia, Yemen and Iraq. Arabs and Arabic-speakers inhabit plains and cities.