It is called Ultra Violet Rays. Over 80 percent of all skin damage is due to sun exposure by the age of 18. UVA is the longest wavelength, penetrates to the dermis layer of the skin, intensity is from sunrise to sunset, it is called the aging ray, sunscreens provide limited protection. The sun has many side effects. Acute effects are dry skin, sunburn, and dehydration.
Severe effects are pain, swelling, blistering, fever, chills, and nausea.
The best way to protect yourself from these harmful rays is by following these simple guidelines. Protection is not always 100 percent but limits your chances of severe damage. Limit exposure time. Avoid midday sun. Use sun protection year round.