Psoriasis Causes

In most cases, precise causes of psoriasis are unknown; there are, however, factors that are sometimes suspected: familial, nutritional, autoimmune disorder, microbiological and environmental.

Genetic predisposition – a great majority of psoriasis patients have one or more members of their family also suffering from the disease. In addition, it is shown that there is a higher risk among children born to parents who have psoriasis to develop the disease; nearly 30% of psoriasis patients have a family member struggling with the disorder.

Nutrition - Some researchers believe that a poor digestion or unhealthy diet can play a significant role in the development of psoriasis. Nutritional factors that can be linked to psoriasis include:

deficiencies in vitamin A and zinc
Incomplete digestion of proteins, which lead to formation of toxins in the body
Heavy consumption of alcohol, animal fat, dairy products and all products that can cause overload in the liver.

Immune disorder - It is also believed that dysfunction of the immune system may participate in the development of psoriasis. In people with the disease, the T lymphocyte or T cell (a white blood cell that detect and fight off pathogenic substances) mistakenly attack healthy skin cells, leading to formation of psoriatic plaques.

Medications - Some medications such as beta-blockers, lithium, iodides and antimalarial drugs seem to exacerbate psoriasis symptoms.

Some of factors that could trigger psoriasis symptoms include:

stress
s moking
cold weather
an injury to the skin
an immunological reaction against another disease, like chickenpox
systemic infection such as pharyngitis or strep throat
Prolonged exposure to sunlight or chemicals such as disinfectants or paint thinners.

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