Sessize al
Julio Luchmann
Quando nos expomos ao sol, principalmente à radiação ultravioleta (UV), nossa pele sofre danos diretos no DNA das células. A radiação UVB, por exemplo, pode causar lesões que desencadeiam inflamação, vermelhidão e dor — o que conhecemos como queimadura solar. Nosso organismo até possui mecanismos de defesa, como a produção de melanina, mas eles são limitados e variam de pessoa para pessoa, o que explica por que algumas queimam mais facilmente do que outras. As plantas também recebem radiação so
Takip et
44
1
0
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