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.
But in conditions like plaque psoriasis, your immune system is not working properly. It can make too much of several proteins, including one called tumor necrosis factor, or TNF. The extra TNF can contribute to skin cells growing too quickly, and causes them to build up.laque psoriasis is a lifelong condition that causes dry, thick, scaly, red skin. About 7.5 million adults in America have psoriasis. Plaque psoriasis is the most common form.