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Monday, July 23

Running With the Sun

The ABCs and running series: Today's topic Sunshine.
Running in the sunshine - most days we head out hand in hand with this Sol companion. We never worry about the long-term effect of the ultraviolet waves. {I reluctantly remember laying on the beach for hours… the only sun block, Zinc Oxide on my nose.}
Facts about UVR rays:

  • UVR rays = ultraviolet radiation (from the Sun)
  • At high altitudes, the intensity of UVR is significantly higher than at sea level.
  • UVA rays are long-wave solar rays that can sink in deeply. They are less likely to cause sunburn but can lead to the dreaded – early photoaging.
  • UVB rays are short-wave solar rays that can cause of sunburn. They are the main cause of basal and squamous cell carcinomas.
  • Broad spectrum sunscreens block both UVA and UVB
  • White shirts may transmit 20% of UVR
I’m not going to get into the vast details of sunscreens – just to say wear one with a high SPF. And don’t forget the neck and hands!
{I always wear a sunscreen face lotion with a SPF 20. And in the summer I wear my “smuggled in from Canada" sunscreen with Mexoryl on my hands and neck.}
The SPF rating, by the way, applies only to UVB rays.

Here is a brief article with recent information of sunscreens.

And just How Big is the Sun?
ref. Howstuffworks