mechanistic
Analysis v1
When middle-aged women lift weights or do strength training, their body produces less of two inflammation-related signals (CCL28 and CXCL4), and this seems to go hand-in-hand with their skin making more of a helpful protein called biglycan—which might mean these signals normally slow down skin repair.
Evidence from Studies
Supporting (0)
0
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No supporting evidence found
Contradicting (1)
0
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48
Resistance training rejuvenates aging skin by reducing circulating inflammatory factors and enhancing dermal extracellular matrices
Randomized Controlled Trial
Human
2023 Jun 23The study found that weight training made skin thicker and increased a protein called biglycan, but it never checked if it lowered the two specific inflammatory chemicals mentioned in the claim, so we can't say the full claim is true.
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.