Psoriasis is a dry, rough skin disease. Doctors suppose that it is hereditary and it is caused because the immune system being incorrectly triggered, as result skin cells being produced too rapidly. Usually, skin cells take around 3 to 4 weeks to restore themselves. But, in cases of psoriasis they take only 2-6 days. Psoriasis affects about 3% of populace worldwide and generally develops in patients between ages of 10 to 45. Even though it is not a contagious disorder, people with the state can sometimes suffer from social prohibition (social embarrassment), emotional distress, inequity and other personal issues because of the appearance of their skin.
Psoriasis causes rapid skin cell reproduction, which finally results in red, dry patches of solidify, skin. Psoriasis usually affects the skin of the knees, elbows, and scalp. Some people have mild psoriasis (means little, pale dry skin patches) that they may not even suppose that they have a medical skin state. Others have very serious psoriasis where practically their whole body is fully covered with bulky, red, scaly skin.
Psoriasis is considered as a non-curable and chronic skin disorder. It has an uneven course, sometimes improvements and sometimes deterioration. In some cases psoriasis may clear for many years and continue in reduction. Some persons have aggravation of their symptoms in the winter months. Several patients report improvement in summer months, in hot climates, or with increase in sunlight exposure.