Psoriasis is a chronic inflammatory skin disease that causes red patches all over the infected area which further develops into flare-ups. In this disease, the skin cells multiply 10 times faster than usual, this causes redness and itching on the skin. Usually, the most affected areas are scalp, elbows, knees, or neck. The usual replacement of skin cells in a healthy human body takes about 28-30 days but in psoriasis, this process is rapidly done every 2- 3 days. It is usually diagnosed by the appearance of the wounds on the skin.
The disease is genetic and is communicable too. The members of the same family are prone to suffer from the disease. It has strong heredity components but not every family member needs to inherit the disease from their ancestors. It usually clutches the patients at adulthood however chances of catching the infection rely upon the immunity of the individual.