Skin cancer is the most common type of cancer. The American Cancer Society recommends that you:

Visit the American Cancer Society Site and test your Sun Safety IQ.
Over half of all cancers in the United States are skin cancer.
There are two types of skin cancer: melanoma type and non melanoma type. Both types are easily treatable if found early. Melanoma can spread to other parts of the body easily and is a very serious, frequently fatal, cancer. Non melanoma skin cancers (basal and squamous cell skin cancer) are the most common type of skin cancers. They do not spread as easily as melanoma. However, if not treated, these cancers can spread to other parts of the body. Non melanoma skin cancers are most often found on sun exposed skin: face, ear, neck, lips, and backs of the hands.
Protecting skin from the sun will help prevent all types of skin cancer. It is especially important to protect skin from the sun during childhood and adolescence. Research has shown a link between sunburns in children and an increased risk of skin cancer in adulthood. It is important to follow the recommendations of the American Cancer Society.
Other things can be done to prevent skin cancer:
The warning signs of skin cancer are:
Almost everyone has moles. The vast majority of moles are perfectly harmless. A change in a mole’s appearance is a sign that you should see your doctor. Here’s the simple ABCD rule to help you remember the important signs of melanoma and other skin cancers:
The American Cancer Society recommends that everyone does a monthly skin exam.
Get familiar with your skin and your own pattern of moles, freckles, blemishes, and birthmarks. Check your skin monthly, and be alert to changes in the number, size, shape, or color of spots on your skin or sores that do not heal.
The best time to do this simple exam is after a bath or shower. Use a full-length and a hand mirror so you can check your skin from head to toe, noting anything new.
Face the mirror:
Sit down:
Stand Up:
If you do the exam regularly, you will know what is normal for you and can feel confident. Remember the warning signs and check with your health care professional or dermatologist if you find something.
The most common skin cancers – basal cell and squamous cell – often take the form of a pale, wax-like, pearly nodule, a red scaly, sharply outlined patch, or a sore that does not heal. Another form of skin cancer – melanoma – often starts as a small, mole-like growth.
Other important signs of melanoma include changes in size, shape, or color of a mole or the appearance of a new spot. Some melanomas do not fit the ABCD rule described above, so it is particularly important for you to be aware of changes in skin lesions or a new skin lesion.
Reference and for more information:
American Cancer Society
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