5 citations
,
April 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” Aging skin shows thinner layers, fewer hair follicles, and new biomarkers like increased space between cells and smaller sebaceous glands.
Bacterial augmentation improves hair composting and nutrient availability.
April 2018 in “Journal of Investigative Dermatology” Sensitive scalp has higher pH, more redness, abnormal sebum, and altered bacterial makeup.
April 2026 in “Open MIND” Microbes in the small intestine may cause Post-Finasteride Syndrome symptoms.
35 citations
,
January 2009 in “Indian Journal of Dermatology, Venereology and Leprology” Older adults commonly experience wrinkles, itchy skin, psoriasis, fungal infections, skin growths, grey hair, hair loss, and nail ridging, but no skin cancer was found in this group.
2 citations
,
September 2014 in “Journal of evolution of medical and dental sciences” Most HIV patients in the study showed skin and mucous membrane issues, with oral thrush being the most common.
January 2023 in “Our Dermatology Online” Most pregnant women experience skin changes, especially increased pigmentation.
71 citations
,
February 2006 in “Clinics in Dermatology” Pregnancy causes skin changes like darkening, hair thickening, nail changes, and increased risk of skin growths, most of which usually resolve after birth.
April 2023 in “Journal of Investigative Dermatology” Aging changes skin cells, leading to different DNA methylation and gene activity, affecting cell metabolism and aging signs.
September 2025 in “International Journal of Molecular Sciences” Bacteroides fragilis and Microbacterium sp. T32 may be linked to autoimmune activity in Hashimoto's thyroiditis and alopecia areata.
19 citations
,
August 2024 in “Cell Host & Microbe” May 2024 in “International journal of medicine and psychology.” Age-related immune changes significantly affect disease development in other systems.
April 2023 in “Journal of Investigative Dermatology” Staphylococcus epidermidis affects hair growth and metabolism, suggesting it could help manage hair growth issues.
June 2023 in “Zenodo (CERN European Organization for Nuclear Research)” Neutropenic patients show significant changes in immune cell types and lower neutrophil and natural killer cell percentages.
3 citations
,
October 2020 in “International journal of radiation research” Feeding rats gamma-irradiated flour with pests affects the pests and does not significantly harm the rats.
September 2023 in “Current opinion in microbiology” Certain fungi protect skin health, but changes can allow harmful fungi to cause serious infections, needing more research for treatment and control.
40 citations
,
July 2008 in “PROTEOMICS” A new model helps study acne and test treatments.
April 2016 in “Journal of Investigative Dermatology” Retinoids change the fat content in skin oil and reduce bacteria growth, helping to treat acne.
40 citations
,
July 2013 in “Skin Pharmacology and Physiology” Male skin gets drier and more alkaline as it ages, which may need different skincare than women's skin.
May 2007 in “Bioline International (Bioline International)” Pregnant women often experience various skin changes, with pigment changes and stretch marks being most common.
8 citations
,
February 2002 in “Journal of Medical Genetics” Skin changes can indicate a risk for breast cancer.
Scalp microbiome in young women is mainly affected by sensitivity, sebum, and lifestyle.
1 citations
,
April 2018 in “Journal of dairy science” Dairy cows' skin and hair follicles change size and growth phase around the time they give birth.
Microbial imbalances on the scalp can help diagnose and manage hair loss early.
127 citations
,
January 2013 in “PLOS ONE” Probiotic bacteria improved skin and hair health in aged mice.
5 citations
,
June 2024 in “Cureus” PCOS is linked to changes in vaginal bacteria, with fewer good bacteria and more harmful ones.
February 1988 in “Journal of the American Academy of Dermatology” 2 citations
,
January 2006 in “Indian Journal of Veterinary Pathology” Trichophyton mentagrophytes causes skin issues and nutrient deficiencies in young sheep, especially in winter.
18 citations
,
February 2020 in “Journal of pharmaceutical and biomedical analysis” The method accurately measures hormones and endocannabinoids in mice, showing gut microbiota diversity affects these levels and may influence stress and reproductive systems.
1 citations
,
January 2022 in “Turkiye Klinikleri Journal of Dermatology” Lifestyle changes during the early COVID-19 outbreak led to more cases of acne and other skin conditions, but fewer cases of rosacea and skin infections.