Solutions put forward to gain benefits from sunlight amid extreme heatwave in Vietnam

April 04, 2024

On the other hand, sunlight’s negative effect on people comes from ultraviolet (UV) radiation. UVC is the most dangerous, but all UVC and some UVB rays are absorbed by the earth’s ozone layer. Meanwhile, UVA and the remaining UVB rays are transmitted through the atmosphere, so most of the UV rays people come in contact with are UVA and a small amount of UVB. UVA rays tend to cause premature aging of the skin, while UVB rays typically cause skin cancers and sunburn, according to Dr. Thanh. She cited several recent global scientific studies as showing that the level of UV light has increased sharply year by year.

The source of this news is from Tuoi Tre News