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” Aging skin is affected by inflammation, reduced stem cell function, and slower wound healing.
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” 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,
March 2010 in “Aging” Circadian clock genes are important for hair growth and may affect aging-related hair loss and graying.