What is psoriasis?
Nowadays, many people have skin diseases associated with allergic reactions, nervous disorders and a deteriorating environment. Sometimes doctors can not accurately explain the cause of the disease, for example, to determine from what appears psoriasis, doctors still have not succeeded.
Psoriasis, or as it is otherwise called - scaly deprive, the disease is not contagious. Its manifestations on the skin look like pink spots with small scales, the diameter of which is usually from 0.5 to 1 centimeter. The scales themselves are white, and the spots can be either single or layering.
At the onset of the disease, the psoriasis rash usually appears as a lonely plaque, and certain skin areas are affected. This may be the head - the hairy part of it, while the hair itself does not suffer from the disease, the outer part of the knee and elbow joints, the area in the sacrum region. In the future, most of the skin can be affected, rashes appear on the face, hands, etc.When scraping psoriasis scales, diffuse desquamation may occur, especially in the scalp, drip bleeding occurs.
Sometimes psoriasis affects the nail plate. It looks like spots and pinholes on the nails. There are thickening of the nail plate, peeling, subungual bleeding may occur. What is psoriasis, photo plaques and the appearance of the affected skin can be seen on the informational stands of skin dispensaries.
Nature of the disease
Psoriasis is not transmitted by contact, does not cause pain, paralysis or death, but this disease can ruin a person’s life. Psoriasis looks very ugly, often the reason that a person is unwittingly avoided by acquaintances, even those who know exactly what psoriasis is and that the disease cannot be transmitted by contact.
After examining the epithelial cells, the doctors came to the conclusion that the psoriatic plaques themselves are formed by skin cells that live very “fast”. A normal skin cell lives for about 30 days, but the cells affected by psoriasis are no more than 5.Such a modified life cycle and causes scaly formation on the skin.
What causes psoriasis most often? Dermatologists claim that there are a number of factors that trigger the development of the disease. These include various mental injuries, prolonged stressful conditions, infectious diseases and physical injuries. They can cause exacerbation of an existing disease and provoke a relapse.
Do not think that psoriasis is a rare disease. Nowadays, more than two percent of the world's population suffer from this disease. As for age, according to statistics, people from 20 to 45 years are most susceptible to psoriasis. True, experts have noted a significant rejuvenation of the disease in recent years. Many patients appeared at the age of 14-15 years.