ultraviolet rays effect on human body code example

Example: harmful effects of ultraviolet rays

Exposure to UV rays can cause premature aging of the skin
and signs of sun damage such as wrinkles, leathery skin, liver spots,
actinic keratosis, and solar elastosis.
UV rays can also cause eye problems. They can cause the cornea 
(on the front of the eye) to become inflamed or burned.