Are UVB rays harmful?

Related questions

1. Can you get vitamin D in the shade?
2. What chemicals should you avoid in sunscreen?
3. Does UVA or UVB cause skin cancer?
4. Do you need UVA and UVB protection?
5. Does uv400 block UVA and UVB?
6. Can UVB pass through plastic?
7. What does UVB stand for?
8. Is titanium dioxide in sunscreen safe?
9. Does UVA or UVB cause cancer?
10. Does glass block UV light?

Tags

1. #affect
2. #cause
3. #exposed
4. #damage
5. #dangerous
6. #although
7. #welding
8. #lamps
9. #sunburns
10. #layer
11. #which
12. #radiation
13. #people
14. #mercury
15. #cancer
16. #greatest
17. #torches