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Guide To Uv Radiation

 Guide To Uv Radiation

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When is the best to shelter from the sun?

UV radiation is a number that indicates the intensity of solar ultraviolet radiation, ie. A anger that threatens us from it. With the help of forecasts of UV radiation index, we can plan how much time we must not expose ourselves in the sun, ie. Which days the sun should be completely avoided?!

 Less than 2: There is no risk of exposure (> 60 min – should be worn sunglasses and apply sunscreen). People with very sensitive skin and infants should be careful.

 From 3 to 5: Moderate risk of danger exposure (30 to 60 minutes – should be worn sunglasses, apply sunscreen, hat). People with sensitive skin should wear clothes with long sleeves, because burns can get in just 20 minutes.

From 6 to 7: High risk exposure (<30 minutes – should be worn sunglasses, apply sunscreen, wear a hat and be in the shade). People with sensitive skin and children can get burns in less than 20 minutes.

 From 8 to 10: very high risk (<20 min – should be worn sunglasses, apply sunscreen, wear a hat and be in the shade). Children can get burned in less than 10 minutes.

From 11 and more: Extremely high risk of exposure (<10 minutes – should be worn sunglasses, apply sunscreen, wear a hat, be in the shade and not out from 10 to 16 hours). Children can get burned in less than five minutes.

A need for protection

Exposure to UVB and UVA radiation causes short-term damage to the skin in the form of redness and burns, but can cause premature aging and cell mutation, which can eventually result in skin cancer.

Until recently it was believed that the occurrence of skin cancer and permanent damage is credited exclusively of UVB rays, while UVA causes only tanning.

Numerous studies prove that UVA rays are equally guilty for damaging the cells, as evidenced by the increasing number of cases of skin cancer after using the solarium, which emits only UVA rays.