This type of arthritis can be traced to a breakdown in your joint cartilage, and itâs linked with inflammation. Hips, knees, spine, hands and feet are most commonly affected. Rheumatoid arthritis is a known autoimmune disease which causes inflammation in the fluid of the joint.
A Look at the Dark Ages: When Things were Really Medieval. The Dark Ages were a period of great upheaval, constant war, horrendous plague, and stagnant cultural growth. But through these difficult centuries new ideas and a new culture was born. And in todayâs world we still feel the effects of these changes that were brought about during these Dark Ages. The Dark Ages is a period that is generally accepted as having begun in the year 410 with the fall of Rome and ending in 1095 with the launch of the first Crusades.
But a crucial piece still eludes scientists. Itâs a gap of several hundred million years that was filled with darknessâa darkness both literal and metaphorical. Astronomers call this period the dark ages, a time thatâs not just bereft of illumination, but also devoid of data.