mechanistic
Analysis v1
Hair cells from people going bald show signs of early aging in lab tests — they don’t grow as well and have more damage from stress and DNA issues — which might explain why hair follicles shrink over time.
Evidence from Studies
Supporting (1)
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1
Oxidative Stress in Ageing of Hair
Narrative Review
2009 JanThe study says that damage from oxygen in the body builds up over time and can cause hair loss and graying, which matches the general idea in the claim. But it doesn’t look at the specific hair cells or tests mentioned.
Contradicting (0)
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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.