With the help of hacker extraordinaire Cable, who finds tweets, photos and videos from one of the plane's passengers, Bull discovers the woman who Ken was really having the affair with: the woman in seat 8D. Bull approaches Mathison about this, and he realizes that the pilot doesn't want to throw Ken under the bus.
The Dangers of Osteoarthritis. Unlike rheumatoid arthritis, which is characterized by systemic inflammation, osteoarthritis is a localized disease that occurs only in the affected joints. With osteoarthritis, the thin layer of cartilage between the joints gradually erodes and wears away.
Osteoarthritis. A progressive, degenerative joint disease, the most common form of arthritis, especially in older persons. The disease is thought to result not from the aging process but from biochemical changes and biomechanical stresses affecting articular cartilage.