April 2026 in “Portuguese Journal of Dermatology and Venereology” COVID-19 and its vaccines can cause various skin issues due to viral effects, immune responses, and stress.
July 1980 in “Journal of The American Academy of Dermatology” The conference concluded that understanding hair and nail disorders is important, iron deficiency may be linked to hair loss, and while some treatments for skin conditions are effective, they may have risks and high costs.
120 citations
,
November 2014 in “Biological Reviews” The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.
108 citations
,
July 2004 in “American Journal of Pathology” Stress increases a factor in mice that leads to hair loss, and blocking this factor may prevent it.
66 citations
,
January 2000 in “Dermatology” Dandruff is a common, winter-worsened scalp condition linked to inflammation and microorganisms, treatable with products like ketoconazole, and may affect hair loss.
33 citations
,
September 2017 in “Journal of clinical immunology” New treatments for immune disorders caused by FOXN1 deficiency are promising.
127 citations
,
March 2016 in “PLoS ONE” Key genes and pathways crucial for hair follicle development in cashmere goats were identified, aiding fleece production improvement.
1 citations
,
July 2018 in “Elsevier eBooks” FAPD and possibly CCCA may be AGA subtypes, and treatments combining antiandrogens, hair growth agents, hair transplants, and anti-inflammatories could be effective.
16 citations
,
April 2007 in “Journal of Medical Primatology” The monkey's hair loss was due to an autoimmune disease, not genetics.
9 citations
,
May 2021 in “Immunological Reviews” Different types of fibroblasts play various roles in kidney repair and aging, and may affect chronic kidney disease outcomes.
37 citations
,
October 2017 in “Clinical and Experimental Dermatology” Oral tofacitinib shows promise in treating atopic dermatitis and alopecia areata, but only slight improvement in vitiligo.
15 citations
,
July 2002 in “Australasian Journal of Dermatology” Two plywood factory workers developed contact dermatitis from phenol-formaldehyde resin, a known allergen.
1 citations
,
October 2025 in “Nano Research” A new microneedle patch effectively treats atopic dermatitis by reducing skin stress and restoring immune balance.
July 2023 in “Research Square (Research Square)” Certain gut bacteria may protect against alopecia areata, while others may increase the risk.
October 2021 in “Dermatology Reports” Higher IL-17A levels indicate more severe alopecia areata.
41 citations
,
September 1991 in “Medical hypotheses” Prolactin may be important for skin growth and immune function.
56 citations
,
November 2010 in “Pigment Cell & Melanoma Research” Brain hormones significantly affect hair color and could potentially be used to prevent or reverse grey hair.
1 citations
,
January 2024 in “Annals of Dermatology” COVID-19 may trigger alopecia areata, but more research is needed.
8 citations
,
November 2017 in “Journal of Investigative Dermatology” AGA linked to inflammation, stress, fibrosis, and disturbed hair follicle stem cells.
185 citations
,
June 2014 in “Journal of Investigative Dermatology” A man with severe hair loss and skin disease regrew his hair with no side effects after taking tofacitinib.
10 citations
,
January 2009 in “Elsevier eBooks” Hair growth is influenced by hormones and goes through different phases; androgens can both promote and inhibit hair growth depending on the body area.
3 citations
,
January 2013 Hypothyroidism in dogs is usually caused by immune system issues or gland atrophy, affects middle-aged purebreds most, and is treatable with medication.
2 citations
,
October 2022 in “Current Dermatology Reports” People on immune-modifying skin disease treatments may have a weaker antibody response to COVID-19 vaccines but often improve after the second dose.
April 2025 in “BMC Immunology” Targeting SIRT1 with antisense oligonucleotides could be a promising treatment for hair loss.
18 citations
,
January 2017 in “Annals of dermatology/Annals of Dermatology” Certain immune cells contribute to severe hair loss in chronic alopecia areata, with Th17 cells possibly having a bigger impact than cytotoxic T cells.
47 citations
,
December 2011 in “Experimental Dermatology” CGRP may help protect hair follicles from immune system attacks, potentially slowing hair loss.
12 citations
,
December 2021 in “Frontiers in Medicine” Some patients on immunosuppressants had a weaker immune response to the Sinovac-CoronaVac COVID-19 vaccine.
4 citations
,
July 2017 in “Archivum Immunologiae et Therapiae Experimentalis” Retinol may affect immune responses in people with frequent skin boils.
169 citations
,
February 2018 in “Immunity” Inactive stem cells in hair follicles and muscles can avoid detection by the immune system.
52 citations
,
May 2011 in “APOPTOSIS” Hydroxyl radicals cause hair follicle cell death during chemotherapy by reducing Bcl-2 protein levels.