quantitative
Strong Support
Spending too much time in the sun over the years is why most wrinkles, sagging, and sunspots appear on your face—sunlight breaks down the skin’s support system like collagen and elastin, and creates harmful free radicals.
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Evidence from Studies
Supporting (1)
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Community contributions welcome
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Influence of chronic UV exposure and lifestyle on facial skin photo-aging--results from a pilot study.
Cross-Sectional Study
Human
1999 DecPeople who spent more time in the sun over their lives had more wrinkles, especially men, and this was true in sunnier parts of Japan—so yes, sun exposure is a major cause of visible aging on the face.
Contradicting (0)
0
Community contributions welcome
No contradicting evidence found
Gold Standard Evidence Needed
According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.