Date and age range defining. Generation X is the demographic cohort following the postâWorld War II baby boom, representing a generational change from the baby boomers, but there is debate over what this means because the end date of the baby boomer generation is disputed.
Causes. Psoriatic arthritis occurs when your body's immune system begins to attack healthy cells and tissue. The abnormal immune response causes inflammation in your joints as well as overproduction of skin cells.any people with psoriatic arthritis have a family history of either psoriasis or psoriatic arthritis. Researchers have discovered certain genetic markers that appear to be associated with psoriatic arthritis.
Psoriasis can also be associated with psoriatic arthritis, which leads to pain and swelling in the joints. The National Psoriasis Foundation estimates that between 10% to 30% of people with psoriasis also have psoriatic arthritis. Other forms of psoriasis include: