What is UV Radiation?

By on Friday, June 29, 2018

There is a good reason why Mom lathered you up with plenty of sunscreen.  She worried just like I do about my kids and the harmful effects of exposure to the Sun. Protecting your skin is now more important than ever due to the depletion of the ozone layer and global warming. Too much sun is obviously harmful to your health. We are proud to offer a solution to looking great without the risk of hurting your skin with our Mobile Spray Tan. 

Exposure to ultraviolet (UV) radiation is a major risk factor for most skin cancers. Sunlight is the main source of UV rays. Tanning lamps and beds are also sources of UV rays. People who get a lot of UV exposure from these sources are at greater risk for skin cancer.

Even though UV rays make up only a very small portion of the sun’s rays, they are the main cause of the sun’s damaging effects on the skin. UV rays damage the DNA of skin cells. Skin cancers start when this damage affects the DNA of genes that control skin cell growth.

There are 3 main types of UV rays:

1 – UVA rays age skin cells and can damage their DNA. These rays are linked to long-term skin damage such as wrinkles, but they are also thought to play a role in some skin cancers. Most tanning beds give off large amounts of UVA, which has been found to increase skin cancer risk.

2 – UVB rays have slightly more energy than UVA rays. They can damage skin cells’ DNA directly, and are the main rays that cause sunburns. They are also thought to cause most skin cancers.

3- UVC rays have more energy than the other types of UV rays, but they don’t get through our atmosphere and are not in sunlight. They are not normally a cause of skin cancer.

Both UVA and UVB rays can damage skin and cause skin cancer. UVB rays are a more potent cause of at least some skin cancers, but based on what scientists know today, there are no safe UV rays.

The strength of the UV rays reaching the ground depends on a number of factors, such as:

  • Time of day: UV rays are strongest between 10 am and 4 pm.

  • Season of the year: UV rays are stronger during spring and summer months. This is less of a factor near the equator.

  • Distance from the equator (latitude): UV exposure goes down as you get further from the equator.

  • Altitude: More UV rays reach the ground at higher elevations.

  • Cloud cover: The effect of clouds can vary. Sometimes cloud cover blocks some UV from the sun and lowers UV exposure, while some types of clouds can reflect UV and can increase UV exposure. What is important to know is that UV rays can get through, even on a cloudy day.

  • Reflection off surfaces: UV rays can bounce off surfaces like water, sand, snow, pavement, or grass, leading to an increase in UV exposure.

There you have it folks, plenty of reasons and scientific research on the harm you might be doing to your skin.  We come to you so what’s your excuse? We offer flexible hours and can make you look great in less than 30 minutes. Call us today to book an appointment! 

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