Understanding Skin Cancer

People refer to cancer as "The Big C". While it may seem as though all forms of the disease fall under one main categorization, there are actually more than 100 ailments that may be considered to be "cancer". Every type is different, but all are related to diseased cells in the body.

Healthy cells grow, divide and replace themselves on a continual basis. That's how the body's tissue is created, and it's how a healthy body grows, repairs itself and stays in good health. Cancer occurs when some of these cells lose their ability to perform these tasks. The duplication, progress and growth capability of the cells is limited. The cells may divide themselves too rapidly, and may grow without organization. Malignant or benign tumors are formed when the cancerous cells produce too much tissue.

Benign tumors do not lead to cancer. They do not extend to the rest of the body and are not life threatening. These type of tumors are usually removed via surgery and usually do not return. They are often more of a nuisance than a threat.

Malignant tumors are those that can lead to cancer. These cancerous tumors cause further illness in the body by invading nearby organs and destroying healthy tissues. Malignant tumors can metastasize or spread to other organs, causing new tumors to grow throughout the body.

Skin cancer comes in two main forms: basal cell carcinoma and Squamous cell carcinoma. A "carcinoma" is a type of cancer that begins in the cells that cover or surround an organ.

More than 90 percent of skin cancers in the United States are basal cell carcinoma. This type of cancer grows slowly and rarely spreads to other areas. It's crucial, however, that all types of skin cancer are found and treated as early as possible to prevent them from invading and destroying nearby tissues.

Basel cell carcinoma and Squamous cell carcinomas are often referred to as nonmelanoma skin cancer. A melanoma is another form of cancer that can occur in the skin, which begins in the melanocytes.

Skin cancers presently account for the most common types of cancer in the United States. An estimated 40 to 50 percent of Americans who live to be 65 years and older will develop skin cancer at least once in their lifetime. It's important to note, however, that people of any age and nationality can develop skin cancer. Fair-skinned, freckled people with red or blond hair and blue or light colored eyes are most risk of developing the disease.

The principal cause of skin cancer is the sun's UV (ultraviolet) radiation. There are two types of ultraviolet radiation: UVA and UVB. Artificial sources of UV radiation, like sun beds and tanning booths, can also cause skin cancer.

Skin cancer affects a greater number of people living in certain areas of the world. Those who live under the hot Texan sun are particularly at risk. Skin cancer rates are also higher in Australia and South Africa, where people are exposed to excessive amounts of the sun's UV rays every day. Those living in these, and other areas where UV exposure is high, are more likely to develop skin cancer.

Article Source: http://www.mycontentbuilder.com

Writer Keefe Figgatt works for several well-known web sites, on health products and natural product issues.
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