Hurricane Season: The portion of the year having a relatively high incidence of hurricanes. The hurricane season in the Atlantic, Caribbean, and Gulf of Mexico runs from June 1 to November 30.
1 Psoriasis is not contagious. 2  Psoriasis is a condition of the immune system. 3  The severity of psoriasis is based on how it affects you and how much of your body is covered. 4  About 1 in 5 people with psoriasis have moderate to severe plaque psoriasis.soriasis is a lifelong condition of the immune system. The exact cause is unknown; however, researchers think that family history, environment, and the immune system can all play a role in psoriasis.
Scalp psoriasis can cause dandruff-like itching and flaking. Psoriasis happens when the immune system triggers too many skin cells to grow on various parts of the body. That can include your scalp. People with psoriasis may be more likely to get dandruff, but psoriasis is not dandruff. Eczema. This skin condition can make your scalp itchy and flaky.