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 Desert is the fourth largest desert in the world, with an area of about 2,330,000 square kilometers. The Arabian Desert is situated on the Arabian peninsula, and makes up parts of Iraq, Jordan, Kuwait, Oman, Qatar, Saudi Arabia, the United Arab Emirates, and Yemen.Both the Sahara and Arabian Deserts are known for their sand and sand dunes, which are typical images of desert landscapes.he third largest desert in the world, and the largest non-polar desert is the Sahara. Situated in North Africa, the Sahara makes up parts of Algeria, Chad, Egypt, Eritrea, Libya, Mali, Mauritania, Morocco, Niger, Sudan, Tunisia, and Western Sahara.