Hi there,

 

UV Rays has positive as well as negative effects:

Positive Effects:

1. Helps in Vitamins D synthesis

2. Treatment of certain skin conditions like eczema

 

Negative Effects:

1. Damages our skin like sunburn, premature aging, and an increased risk of skin cancers

2. Damages our eyes like cataracts, macular degeneration, and other eye disorders

3. Excessive exposure to UV radiation can suppress the immune system

4. UV rays can cause damage to the DNA in skin cells

5. UV radiation can penetrate into water, affecting marine life

 

Regards