Skin Cancer And Health News

Skin cancer is a malignant tumor development. This is formed by the continuous proliferation of unusual cells with the capacity of invasion and tissue damage. Currently, the in the United States, the cancer kills 1,500 people every day.

Under the name of skin cancer is a set of malignancies with characteristics very different both in origin as their risk factors and prognosis. The underlying cause of skin cancer is not entirely known,. Since the discovery of the disease were made studies about the factors that influence their occurrence.

Contributing factors such as family history and the environment burns from ultraviolet light lead to lesions on the skin that can cause cancer. Interestingly, most people receive 50% of ultraviolet rays in the first 20 years. Nowadays is clear that ultraviolet radiation is the environmental factor most affecting the structure and function of the skin. Grossly and inappropriate exposure to radiation can lead to premature skin aging and cancer development. It is assumed that alterations in the skin caused by excessive exposure to ultraviolet radiation affect the immune system’s behavior. This at the same time reacts to light aggression by launching a range of destructive and reparative mechanisms that are part of the so-called a biological response to aggression.

The best evidences that sunlight is a cause of cancer of the skin are epidemiological and experimental. Epidemiological evidence contains the following facts: body zones most affected are those who are exposed to sunlight, the people who work outdoors are more affected than those who do not; dark-skinned people are less affected than fair-skinned, Caucasian peoples in parts of the world with lots of sunlight are more affected than areas with less of it. Experimental evidence includes the production of squamous cell cancer in rodents exposed to ultraviolet light.

In conclusion, skin cancer is a very common disease, but can be avoided