Smoking-Psoriasis study conducted in the United States
According to a study conducted in the United States, smokers have a higher risk of the development of psoriasis.
A study, in which there participated almost 80.000 nurses, showed that in people, who smoke, psoriasis is developed more often, than in those, who do not smoke.
Specialists consider that the toxins, which are ingredients in cigarettes, can negatively influence the immune system, which may trigger the psoriasis mechanisms.
The exposure to tobacco smoke during the intrauterine development and in childhood also increases the risk of the development of psoriasis.
American researchers revealed that even in former smokers the risk of the development of psoriasis remains for 20 years after they quit smoking.
Smoking-Psoriasis study conducted in Great Britain
In Great Britain researchers studied 887 cases of development of psoriasis for 14 years and connected them with smoking.
It turned out that the risk for developing psoriasis was 37% higher in former smokers, and 78% higher in the current smokers, compared to the nonsmokers.
A study also showed that in the so-called passive smokers, forced to inhale cigarette smoke, it also increased the risk of skin disorders.
Smoking-Psoriasis studies conducted in various countries
The results of the studies conducted in different countries made it possible to establish the following Smoking-Psoriasis Interrelation:
- Constantly and randomly smoking among the people with psoriasis composed 58%, whereas in the people without psoriasis - 44%.
- Constantly smoking among the people with psoriasis composed 47%, and in the people without psoriasis - 30%.
- 24% of people with psoriasis never smoked, and in the people without psoriasis - 43%.
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