Generation X, or Gen X, is the demographic cohort following the baby boomers. There are no precise dates for when this cohort starts or ends; demographers and researchers typically use starting birth years ranging from the early-to-mid 1960s and ending birth years ranging from the late 1970s to early 1980s.
Causes of Scalp Psoriasis. Like other forms of psoriasis, scalp psoriasis occurs when your body's immune system misidentifies the skin as being foreign. Under normal circumstances, the body makes white blood cells, called T-cells, which should only attack invaders such as viruses, bacteria or fungi.
Areas of itching that are only on one part of the body are more likely caused by a problem of the skin. The area of the body that itches may give a clue as to the cause of the itch. Scalp. Common causes of itching of the scalp include psoriasis, head lice, seborrheic dermatitis (dandruff) and contact dermatitis.