This group of radiations is known as optical radiation. They are mainly composed by infrared, visible and ultraviolet radiations. The energy emitted by the sun is transmitted as electromagnetic waves that are classified according to their length or frequency of propagation. Chronic exposure to sun and high vitamin levels D may be indicative of protection of this population against skin cancer. S tudy limitations: The difficulty in categorizing the sun exposure index.Ĭ onclusion: The fact that fishermen expose themselves to the sun chronically and have been exposed to the sun for more than 15 years, between 21 and 28 hours a week, and without photoprotection, were indicative factors for protection against vitamin D deficiency. R esults: We observed that there was vitamin D deficiency in a small part of the cases (11.46%), and the frequency of diagnosis of skin cancer was 2.7% of the cases surveyed. The comparative analysis was done through the Chi-square test, and the correlations were established through the Pearson's linear coefficient.
The questionnaire was applied, the dermatological examination was carried out and the examinations of calcidiol, parathyroid hormone, calcium and phosphorus were requested. M ethods: It is a cross-sectional, observational and analytical study The sample consisted of fishermen and was calculated in 174 individuals. O bjectives: This study aims to analyze the sun exposure index, vitamin D levels and clinical changes in the skin caused by constant sun exposure in the fishermen population. There is no definition of the level of sun exposure and the proportion of exposed body required for proper synthesis of vitamin D in the skin without causing it damage. B ackground: Exposure to UVR provides benefits related to vitamin D synthesis, but also causes harms, since UVB is considered a complete carcinogen.
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