What are the causes and risk factors for psoriasis

Psoriasis arises through a procedure related to the immune system, specifically a specific type of white blood cell called T-lymphocytes. In normal, these cells travel throughout the body to find and control foreign substances, such as bacteria and viruses, but when Patients with psoriasis These lymphocytes accidentally attack healthy skin cells.

T-lymphocytes that are too active trigger different reactions in the immune system, such as enlarging blood vessels around the skin layers and increasing amounts of other blood cells that can penetrate the epidermis (epidermis). As a result of these changes, the body produces many Healthy skin cells, more T-lymphocytes and other white blood cells, and as a result, new skin cells reach the outer layer of skin very quickly in a few days, rather than weeks as normal.

Dead skin cells and white blood cells cannot rapidly fall off, so they accumulate in the form of thick crust layers on the surface of the skin. T-lymphocytes in psoriasis patients, where researchers believe that both genetic and environmental factors play a role.

Factors that can trigger psoriasis include infections, such as strep throat, oral bleaching, and skin injury, such as wound, spots, scratching, insect bites or severe sunburn, stress, smoking and excessive alcohol use. Psoriasis is a human being, but people who belong to one of the following groups are more likely to develop psoriasis, heredity, who are stressed, who are overweight and who drink cigarettes and alcohol..
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