9 citations,
February 2022 in “Genes” Women with PCOS have more Bifidobacterium in their gut compared to those without PCOS.
Certain gut bacteria may protect against or increase the risk of hair loss.
July 2019 in “bioRxiv (Cold Spring Harbor Laboratory)” Kashmiri women with PCOS have more Bifidobacterium in their gut.
82 citations,
August 2017 in “Cell Reports” An imbalanced gut and lack of biotin can cause hair loss in mice.
May 2025 in “Annals of surgical case reports & images.” Certain gut bacteria may protect against hair loss, while others may increase the risk.