What Are The Causes And Effects Of Skin Cancer

Like all cancers, skin cancer is caused when the cells are exposed to some external environmental condition. This causes the cells, or more specifically the genes in the cell to mutate and become known as a oncogene. An oncogene promotes tumor growth.

In many cases of cancer it is not always clear what the environmental condition or conditions may be. In fact, it may not be just one condition that promotes cancer growth but a multitude of them making it harder to prevent the development of the disease. In the case of skin cancer, the environmental condition is thought to be exposure to ultraviolet radiation. And the most common source of ultraviolet radiation that most people are exposed to is sunlight.

However, some people can spend more time in the sun than others without developing skin cancer. Their skin is not as sensitive to the sun. This is because they have more melanin in the body. Amongst many other functions, melanin makes the skin go brown when exposed to the Sun. This is the body's natural method of protecting skin cells. This is the tan that many people like to develop as they see it as an indication of health and vitality.

People who have less melanin will have paler skin. This often means that the skin will not brown but go red in the sun. It will also burn if they spend too much time in the sun or don't protect their skin. Sunburn is obviously painful but it also indicates that the skin has been exposed to too much UV rays. It is the best way to develop cancerous growths on the skin. People with fair or red hair or light colored eyes are also sensitive to the sun.

Even if you do not have a fair complexion, you may still be susceptible to developing skin cancer if your family has a history of developing the disease.

The effects of skin cancer can vary. Basal cell carcinoma is the most common form of skin cancer. It will often look like a mark on the skin that could be brown or red. It may be raised from the skin or flat to begin with. It generally doesn't spread and is considered to be a benign cancer. It can appear anywhere on the body but mainly on areas that are directly exposed to the sunlight.

Squamous cell carcinoma is another form of skin cancer that is normally found on parts of the body that are exposed to sunlight. Again, it does not always spread from the original location but is more likely to spread than basal cell. If it does spread it will normally only spread to surrounding cells. So if it is on the surface of the skin you will notice a mark that is brown or red that starts to get larger over time.

Melanoma is the third form of skin cancer. It is rare but potentially serious. It doesn't always appear on areas of the body directly exposed to sunlight but can be in unusual places, like the feet, that may rarely come into contact with sunlight. Again, it might look like a red or brown blemish or spot initially. As it develops it may develop into a lump under the skin.

Melanoma is the most likely form of skin cancer to turn malignant. It can grow at a rapid and uncontrollable rate throughout the body. It can grow through tissue and organs. It can get so large that it affects many of the functions in the body.

If melanoma spreads throughout the body it can be very hard to treat.

The best way to prevent skin cancer is to limit your exposure to UV rays. Protect your skin when in the Sun and avoid things like sun beds. Monitor your skin for any unusual lumps or marks. Watch for marks, blemishes or lesions that appear to be changing in shape, size or color. Consult your doctor or a skin specialist if this happens.

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