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Question
Biology
Posted 3 months ago
Research writing about how sun affects our skin
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Answer from Sia
Posted 3 months ago
Answer
The sun affects our skin primarily through ultraviolet (UV) radiation, leading to both beneficial and harmful effects.
Solution
a
UVB Radiation: UVB can cause sunburn and plays a key role in developing skin cancer
b
UVA Radiation: UVA penetrates deeper into the skin and can contribute to aging and wrinkling
c
Vitamin D Synthesis: Sunlight exposure helps the skin synthesize vitamin D, which is crucial for bone health and immune function
d
DNA Damage: UV radiation can cause mutations in the DNA of skin cells, potentially leading to cancer
e
Protective Responses: The skin responds to UV exposure by thickening and producing melanin, which can protect against further damage
Key Concept
UV radiation's impact on skin
Explanation
Sun exposure leads to a range of skin responses, from beneficial vitamin D production to harmful effects like sunburn, aging, and increased risk of skin cancer.

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