There are 2 types of ultra violet rays, UVA and UVB. UVA causes aging and wrinkles, and UVB causes the sun burns.
Ultraviolet rays from the Sun cause sunburns.
Ultraviolet rays
The ultraviolet rays in sunlight destroy cells in the outer layer of the skin, damaging tiny blood vessels underneath. When the skin is burned, the blood vessels dilate and leak fluid. Cells stop making protein. Their DNA is damaged
Yes it can cause cancer if in infrared light for long time.
Infrared light is heat. That would work best. But UV rays would too because they cause sunburns and are used in tanning booths
UVB rays cause sunburn to skin and massage the affected area with aloe vera gel for 2-3 minutes and leave for 15 minutes, than rinse off. Do this twice a day. It is a proven remedy to treat sunburn.
There are three bands of ultraviolet radiation, each having different effects on the skin:UVA, used to make vitamin D, essential and not carcinogenicUVB, causes sunburns, multiple severe sunburns can eventually cause cancerUVC, yes very carcinogenic as it is ionizing radiation just below soft x-rays in energy
Yes, you can get sunburns on cloudy days. Sunburns are caused by ultraviolet rays, which are not blocked by clouds, only by sunscreen. Sunburns are usually worse on cloudy days because people do not realize they can get burned and do not wear enough sunscreen.
yes
swelling of teeth
No, but it is these rays that cause sunburn in humans with pale skin.
Ultraviolet