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.
Psoriasis typically starts or worsens because of a trigger that you may be able to identify and avoid. Factors that may trigger psoriasis include: 1  Infections, such as strep throat or skin infections. 2  Injury to the skin, such as a cut or scrape, bug bite, or a severe sunburn. 3  Stress. 4  Cold weather. 5  Smoking. 6  Heavy alcohol consumption.