Comprehensive coverage

A collection of studies on skin cancer, on the occasion of this cancer week

A new study states that the common thistle plant can prevent melanoma

The dangerous sun. Courtesy of the Cancer Society
The dangerous sun. Courtesy of the Cancer Society

A new study conducted in the Department of Dermatology at the University of Alabama in the United States states that the common thistle plant (Milk thistle) has properties capable of preventing skin cancer. In a study that examined the effect of the component Silymarin, which is isolated from the seeds of the thistle plant, it was found that this component has properties that can prevent the recurrence of cancerous processes resulting from chemical carcinogens or light radiation. Extensive studies conducted in the laboratory have shown that silymarin has antioxidant, anti-inflammatory properties and even properties that strengthen the immune system. These properties, apparently, caused, under laboratory conditions, the stopping of cancerous processes in the cells. The researchers' conclusion was that silymarin is a promising substance, pharmacologically safe, which can be used to prevent skin cancer in humans. Moreover, it is possible to consider adding it to the existing radiation filter components and thereby increasing their effectiveness against harmful solar radiation. The study was published in January 2005 in the scientific journal International Journal of Oncology.

A new study states that a special ingredient found in olive oil prevents the damage caused to the skin cells as a result of exposure to UVA radiation

A new study, conducted in Italy and published in April 2005, points to the special properties of an ingredient in olive oil, called DOPET, as preventing damage that occurs in skin cells damaged as a result of exposure to UVA radiation. In the study, an experiment was performed on human melanoma cells under laboratory conditions that were exposed to UVA radiation. The DOPET ingredient prevented the rise of markers, which indicate harmful oxidation activity that occurs in cells when they are exposed to ultraviolet radiation. It is important to note that when a high concentration of this ingredient is used, the inhibition of the harmful processes in the irradiated skin cells is observed. These findings confirm the well-known assumption that the oxidation in the cells is a main component of the cancer process caused by UVA radiation. The researchers emphasize that the required dose of the DOPET ingredient should be taken into account when products are produced with olive oil in the cosmetics and food industry. The study was published in the journal Free Radical Biology & Medicine.

More melanoma cases are detected in the summer

Analyzing the melanoma incidence data registered by the cancer registry services in various European countries, reveals an intriguing phenomenon: more melanoma cases are diagnosed during the summer months. The results of this analysis, which were published in January 2005 in the prestigious European Journal of Cancer, indicate the complexity of the phenomenon. According to the researchers, the factors are social and environmental. In the summer months, the level of public awareness of the need for skin tests usually rises, usually following extensive awareness campaigns. In addition, requests for tests are increasing following the discovery of many skin lesions, which were covered by the winter clothes. These tests do lead to an increase in the melanoma cases that are detected. However, precisely in the areas of the body that are not covered in winter, such as the hands, the most significant increase was observed. According to the researchers, the reason for this lies in the exposure to solar radiation that occurs at the beginning of that summer, which accelerates the latent cancer process.

A new study states that cumulative exposure to the sun during childhood is the most decisive environmental factor in the development of skin cancer among children

In a new study conducted at the Department of Dermatology at the University of Tübingen in Germany, 1,232 children between the ages of two and seven from the cities of Bochum and Stuttgart were examined for three years, with the aim of isolating the main risk factors for the development of skin moles. During the study, the types of moles found on the children's skin were counted and characterized. Their parents underwent interviews that included evaluation questions regarding their exposure to the sun, the nature of the burns, the number of times their children were exposed to sunlight and adopting proper behavior outside as well as counting the moles on the parents' arms. The summary of the findings revealed that a high number of moles was related to the child's skin characteristics such as light or freckled skin, to factors that characterize the child's parents such as the number of moles on the father's and mother's arms, to the fact that at least one parent was of German descent and to environmental factors such as moderate exposure to the sun during vacations and exposure Medium lasting for use in the home environment. Burns were important risk factors for the development of moles. The researchers emphasize that the cumulative exposure to the sun was the most important significant environmental factor for the development of moles in children, whether the child was exposed to prolonged moderate exposure or high exposure for short periods of time. In addition, the researchers emphasize that health promoters should place emphasis on preventing exposure to the sun, especially among children with fair skin and children of parents with a large number of moles. The article was published in the International Journal of Cancer.

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