Υπεριώδης Ακτινοβολία UV - Τι πρέπει να γνωρίζετε - Exposure Sunglasses

Ultraviolet Radiation - What you need to know

UV radiation is not always bad. In small doses, it helps us produce vitamin D that our body needs. The problem occurs when UV rays frequently come into contact with our skin. The results can be long term and detrimental. These effects appear over time when our skin is not protected. Here's exactly what you need to know about UV radiation, how it affects us, and how to keep your skin and eyes safe!

UV rays are broken down into 3 different bands: UVA , UVB and UVC . UV wavelengths vary in magnitude and differ in how they affect our skin and eyes.

UVC is the shortest and not long enough to reach our skin. UVB rays come into contact with the outer layer of the skin. UVA radiation penetrates deeper into the skin, up to the inner layers.

Below you will find the breakdown:

1. UVC radiation

UVC rays are actually the strongest, but are mostly absorbed by atmospheric ozone. They are usually not harmful to our skin.

2. UVB radiation

UVB rays reach beyond the ozone layer to the surface layers of our skin. It is the most common cause of redness, sunburn and skin cancer. These rays can cause DNA changes in cells directly and are one of the main culprits in skin cancer.

The most important times to stay protected are during the spring and summer months between 10 A.M. and 4 p.m.

3. UVC radiation

UVA rays penetrate the skin the deepest of the 3 different rays. They reach deep into the skin and are the main cause of aging, wrinkles, loose skin and sun spots. They are not the number one culprit, but they can cause changes in DNA, which can eventually lead to skin cancer.

UVA rays are present all year round and in all seasons. They are able to bounce off reflective surfaces such as water, including liquids and ice or snow. It is vital to make sure your skin and eyes are protected whether it is summer or winter , day or even night.

Here are some tips to stay protected :

  1. Choose a UPF 50 hat or clothing to keep your skin safe and protected from harmful UV rays. Use sunscreen for the hottest times of the day (10am - 4pm)
  2. Remember to be careful even in the winter months about UVA rays and be protected when skiing or snowboarding. (UVA rays can reflect off snow or ice.)

always remember,

Block out the sun, not the fun!

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