It's God's mercy that the skin changes itself once a month by removing the dead cells and producing new cells that are genetically correct , but sometimes these cells are subjected to abnormal acceleration of regeneration which is called Psoriasis. Psoriasis is a skin disease that isn't contagious but which distorts the appearance of the skin from the outside. The real cause of the acceleration process is not yet known. psoriasis is in the form of large white spots and it's early seen as a case of dehydration which causes skin flaking. It causes irritation , itching and spread in several areas of the body mainly head and joints. Psoriasis has many risks as follow:1- inflammation of the joints in long term is caused by carelessness.2-psoriasis becomes a candidate for diabetes, heart diseases and blood diseases such as high blood pressure and cholesterol. Psoriasis treatment methods: *Exposure to the sun daily to take the advantage of vitamin D especially in the early morning. *Medical creams and sometimes genetically modified antibiotics for worsening cases. *Attention to eating and avoid foods saturated with fat and eating supplements that improve and soften the appearance of the skin. *Put the fish oil and olive oil on the affected area and that is working to moisturize significantly reduce the symptoms of psoriasis. *Search for body and hair lotion materials which contain coal tar , they help to slow the growth of new cells and reduce the effects of psoriasis.