Skin cancer is the most common cancer in the United States. According to the National Cancer Institute, about one million Americans develop skin cancer every year. Solar UV radiation provide all the necessary elements to damage the skin and cause skin cancer. There are many types of skin cancer: - Melanoma skin cancer that develops in skin cells that produce pigment, - Basal cell cancer skin cancer that forms in small round cells at the base of the outer layer of skin; - Squamous cell cancer of the skin that forms in squamous cells that form the surface of the skin; - Neuroendocrine skin cancer that forms in the cells that release hormones in response to signals from the nervous system. The two most common skin cancer (basal cell and squamous cell) occurs in skin areas that have been in the sun, usually on the head, neck, hands and arms. Studies have shown that people with certain risk factors are more likely than others to develop skin cancer. These risk factors include: Ultraviolet (UV) radiation exposure, skin scarring or burns, skin infection, skin inflammation or skin ulcers, skin diseases, radiation, family history of cancer skin, medical conditions that affect the immune system. The best way to prevent skin cancer caused by UV radiation from the sun. It is also very important to protect children at an early age, because research has found that most sun damage occurs before age 15. It is best to wear sunscreen when exposed to sunlight, especially when swimming, use sunscreen on exposed skin whenever you can. In addition, you should be aware that UV radiation can lead to sand, water, snow and ice. UV radiation can pass through light clothing, windshields, windows, and clouds. Wear long sleeves and long pants, wide-brimmed hat and sunglasses that absorb UV rays. Use a sunscreen (SPF 15 minimum) if possible. The most common place where you can be over-exposed to solar UV radiation is on the beach, so a certain type of clothing sun is necessary, which can give you the right skin protection and freedom you expect to feel when spending a dip, sailing, surfing or just walking in the sand. The protection of the ozone layer of the Earth from harmful UV rays. ozone depletion and weather variations, cause different amounts of UV radiation reaching the Earth. To check the UV index in your city or country visit the Environmental Protection Agency website.

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