6 citations
,
October 2017 in “Oncotarget” Hairless mice are more vulnerable to Listeria infection, but gut microbiota can help reduce damage.
1 citations
,
October 2025 in “EBioMedicine” Women have a higher DHT/testosterone ratio than men, possibly due to gut bacteria activity.
5 citations
,
September 2022 in “Frontiers in Nutrition” Gut bacteria differences may help diagnose and treat Alopecia areata.
April 2019 in “Journal of Investigative Dermatology” Alopecia Areata patients have too many Firmicutes and too few Bacteroides in their gut.
April 2019 in “Journal of Investigative Dermatology” Gut microbiota influences the development of alopecia areata.
31 citations
,
February 1983 in “American Journal of Clinical Nutrition” Biotin deficiency can cause hair loss in adults on long-term TPN, but supplementation helps regrow hair.
36 citations
,
June 2019 in “eLife” The study developed a tool to predict how gut microbes process foods and drugs, showing that similar compounds often share metabolic pathways and effects.
January 2018 in “Florence Research (University of Florence)” Melanoma and vitiligo patients have different gut fungi and bacteria compared to healthy people.
Certain gut microbes are linked to better health in 14 conditions.
5 citations
,
August 2013 in “Integrative Zoology” Feathers in diet increase gut bacteria diversity in Arctic foxes.
October 2024 in “Veterinary World” Shallot powder improves growth, immunity, and gut health in broiler chickens.
72 citations
,
July 2022 in “Frontiers in Systems Biology” Modern lifestyles harm beneficial microbes, affecting health.
August 2025 in “Archiv Euromedica” Gut microbiota changes might play a role in alopecia areata, and microbiome-targeted treatments show promise.
37 citations
,
September 2018 in “Psychoneuroendocrinology” Finasteride treatment in male rats causes long-lasting effects on depression-like behavior, brain cell growth, inflammation, and gut bacteria composition.
17 citations
,
September 2020 in “Journal of Endocrinological Investigation” Post-finasteride patients show changes in gut bacteria, possibly causing various symptoms.
39 citations
,
October 2013 in “Plastic and Reconstructive Surgery” Human alpha defensin 5 helps heal wounds, reduce bacteria, and grow hair on burned skin.
September 2025 in “Frontiers in Microbiology” Modifying gut bacteria may help treat and prevent osteoarthritis.
March 2026 in “Current Topics in Medicinal Chemistry” Gut microbiota and exosomal miRNAs may help treat hair loss.
37 citations
,
February 2023 in “Gut Microbes” Gut bacteria can lower androgen levels in male mice.
Improving quercetin absorption reduces aging signs in mice by benefiting gut health.
April 2026 in “Preprints.org” Bioavailable quercetin may help improve aging signs by positively affecting gut health.
February 2026 in “Probiotics and Antimicrobial Proteins” Modifying gut bacteria with pro- and postbiotics may help treat hair loss.
47 citations
,
September 2023 in “Pharmacological Reports” Vitamins A, B3, C, D, and E can improve skin health and immunity.
4 citations
,
July 2024 in “Skin Research and Technology” Certain bacteria may influence alopecia areata risk, but skin bacteria don't mediate gut-skin effects.
April 2026 in “Frontiers in Cell and Developmental Biology” Hair follicles in mice help detect and respond to germs.
February 2026 in “International Journal of Clinical Dermatology” Certain probiotics can help improve skin conditions like atopic dermatitis, but more research is needed.
Changes in gut and skin bacteria are linked to different hair loss conditions, and treatments like fecal transplants and probiotics might help, but more research is needed.
9 citations
,
February 2022 in “Genes” Women with PCOS have more Bifidobacterium in their gut compared to those without PCOS.
8 citations
,
November 2024 in “Journal of Neuroendocrinology” Gut bacteria affect steroid levels, influencing health conditions and potential treatments.
4 citations
,
July 2019 in “Children (Basel)” The review concludes that more research is needed to better improve the health outcomes for people with Polycystic Ovarian Syndrome.