May 2026 in “Journal of the Egyptian Womenʼs Dermatologic Society” Higher oxidative stress markers are linked to hair loss in post-COVID-19 patients.
199 citations
,
July 2007 in “General and Comparative Endocrinology” Hair cortisol can reliably indicate chronic stress in cats and dogs.
237 citations
,
September 2018 in “Clinical Biochemistry” Hair cortisol analysis can help diagnose stress-related conditions but needs more refinement for widespread use.
113 citations
,
June 2019 in “F1000Research” Scarless healing is complex and influenced by genetics and environment, while better understanding could improve scar treatment.
104 citations
,
June 2020 in “Journal of Endocrinology” Hyperandrogenism and insulin resistance in PCOS-like rats can lead to pregnancy complications due to increased cell death in the uterus and placenta.
44 citations
,
February 2016 in “Zoology” Hair cortisol levels in primates are useful for stress assessment but vary by age, sex, species, and hair collection methods.
30 citations
,
September 2016 in “Aging Cell” Low selenium levels can extend lifespan but worsen health issues.
21 citations
,
February 2015 in “Clinical Cosmetic and Investigational Dermatology” Keloids may be influenced by stress and psychological factors.
10 citations
,
January 2011 in “Skin research and technology” Procyanidin oligomers can protect hair from oxidative damage and could be good for hair care products.
8 citations
,
February 2025 in “Cell Systems” Engineered bacteria can deliver antioxidants to protect skin.
6 citations
,
July 2023 in “Diabetology” Autologous micrografts significantly improve wound healing in diabetic conditions by speeding up tissue regeneration and reducing inflammation.
4 citations
,
August 2021 in “Frontiers in Cell and Developmental Biology” Stress can cause hair loss by affecting nerve-related hair growth, and noradrenaline might help prevent this.
1 citations
,
February 2023 in “Drug Design Development and Therapy” Plant adaptogens may help treat skin diseases and improve skin health, but more research is needed to fully understand how they work.
1 citations
,
October 2021 in “Bioactive compounds in health and disease” Hibiscus anthocyanins help protect the liver and improve antioxidants in diabetic rats.
April 2026 in “Metabolites” Chronic skin diseases and metabolic syndrome are linked by shared inflammation pathways.
November 2025 in “Plant Science Today” Natural anti-aging products from plants may help improve skin health.
October 2024 in “Journal of Neuroscience Research” Long-term Finasteride treatment reduces depression better than short-term treatment in rats.
July 2024 in “Behavioural Brain Research” Long-term finasteride treatment reduces depression and brain issues in obese male rats.
August 2023 in “Theoretical and Natural Science” Fat stem cells help rejuvenate skin, reduce wrinkles, lighten skin, and promote hair growth.
June 2023 in “Benha Journal of Applied Sciences” People with chronic hair shedding have lower antioxidant levels in their blood compared to healthy individuals.
February 2023 in “JAAD Case Reports” Scalp tattooing may trigger hair regrowth in alopecia universalis.
December 2021 in “OPAL (Open@LaTrobe) (La Trobe University)” Disrupting the Hars2 gene in mice causes hearing loss due to mitochondrial problems and hair cell damage.
4 citations
,
November 2009 in “Medical Clinics of North America” Stress, nutritional issues, and chronic diseases can cause hair loss, and nail changes may signal internal diseases; treatment focuses on the underlying cause.
35 citations
,
September 2017 in “PubMed” The document concludes that hair loss has many causes and treatments vary, including medication for pattern baldness and addressing underlying issues for other types.
70 citations
,
June 2023 in “International Journal of Molecular Sciences” Air pollution harms skin health and can worsen skin diseases.
November 2020 in “IntechOpen eBooks” Not getting enough minerals can lead to health problems and shorter lifespans.
February 2026 in “International Journal of Molecular Sciences” Targeting mitochondria can improve skin healing and rejuvenation.
January 2026 in “Psychoneuroendocrinology” Loneliness raises stress levels in older African American men but not women.
221 citations
,
July 2012 in “Proceedings of the National Academy of Sciences of the United States of America” BMAL1 controls skin cell growth and UV damage risk, peaking at night.
24 citations
,
November 2015 in “International Journal of Cosmetic Science” Treating scalp issues with anti-dandruff shampoo improves hair health.