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.
Certain environmental factors may trigger the psoriasis genes, causing the disease to become active. These environmental triggers vary from person to person, and what causes psoriasis to develop in one person may have no effect on someone else. Some triggers known to impact psoriasis symptoms include: Stress.