 4 citations
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  July 2014   in “Journal of Investigative Dermatology”
           4 citations
,
  July 2014   in “Journal of Investigative Dermatology”    Old people have less hair because their hair follicles don't regenerate as well, not because of fewer stem cells, and a protein called follistatin might help reactivate hair growth.  
      October 2022   in “Frontiers in Cell and Developmental Biology”
           October 2022   in “Frontiers in Cell and Developmental Biology”    Aging skin is affected by inflammation, reduced stem cell function, and slower wound healing.  
      3 citations
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  July 2015   in “European Journal of Dermatology”
           3 citations
,
  July 2015   in “European Journal of Dermatology”    AGEs may cause hair loss by increasing inflammation in hair follicles.  
      1 citations
,
  March 1992   in “Postgraduate Medicine”
           1 citations
,
  March 1992   in “Postgraduate Medicine”    About 40% of women by age 60 experience significant hair loss, often due to androgenetic alopecia, with treatments like minoxidil available and hope for future cures.  
               55 citations
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  March 2010   in “Aging”    Circadian clock genes are important for hair growth and may affect aging-related hair loss and graying.