Morning stiffness is often an early sign of arthritis. Stiffness that lasts for a few minutes is usually a symptom of a degenerative form of arthritis. Stiffness that lasts for several hours is generally a symptom of inflammatory arthritis and is typical of RA.
Early cities developed in a number of regions, from Mesopotamia to Asia to the Americas. The very first cities were founded in Mesopotamia after the Neolithic Revolution, around 7500 BCE. Mesopotamian cities included Eridu, Uruk, and Ur. Early cities also arose in the Indus Valley and ancient China.
Neither. You'd be better off looking at Catal Hoyuk and Turkey in general, the first people to build cities (fist civilisation), and it spread North faster than South. The Vinca had some pretty big urban areas and discovered metal working about 8,000 years ago.