Experts at the University of Texas have provided some useful tips on prevention of skin cancer with lifestyle changes and expounded upon// some of its risk factors and treatment.
According to them although the environment plays a role in development of skin cancer individuals who have a family history of melanoma have a greater disposition towards developing skin cancer because of certain inherited chromosomes and gene mutations. The risk is greater for people with light-colored skin that is prone to freckles.
Skin cancer, which develops in the epidermal layer, is known as non-melanoma whereas cancer of the melanocyte is known as melanoma with non-melanomas more common in parts of body such as the face, which is more frequently exposed to sunlight. Melanoma, rarer, although more life threatening, occur in areas less often exposed to sunlight, such as chest or back in men and thigh, calves etc in women.
Changes in pattern of moles, freckles and other blemishes must be noted as symptoms of skin cancers vary from one individual to another. Melanoma cancers usually begin with a change in shape, borders, color and even size of moles and other blemishes.
Beside sun exposure other risk factors are light-colored skin, large number of typical or atypical moles, occupational hazards like exposure to coal, tar, pitch, radioactive materials and three or more blistering sunburns by age 18.
Both the UVA and the UVB rays of the sun contribute to sunburns. Therefore people who live in the equatorial region, which receives maximum sunrays, have the highest risk of skin cancer.
Tanning beds have been rated to be as dangerous as sun exposure for developing skin cancer.
Research has also shown that sunscreens with an SPF of 30 gives protection from harmful UV rays if applied about 30 minutes before sun exposure and reapplied every 60 to 90 minutes, or after a swim or profuse perspiration, although the sunscreen may be aPage: 1 2 Related medicine news :1
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