June 2025 in “Universal library of medical and health sciences.” External factors like pollution, stress, and poor nutrition can negatively affect hair growth.
March 2018 in “Digital Access to Scholarship at Harvard (DASH) (Harvard University)” Chronic stress delays hair growth and affects hair stem cells negatively.
July 2022 in “Journal of Investigative Dermatology” Substance P may contribute to hair loss by increasing oxidative stress and mitochondrial activity in hair follicles.
Hair can naturally regain color after greying, and this change may be linked to stress levels.
49 citations
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April 2016 in “International journal of molecular sciences” Shift nurses show altered body temperature and stress hormone levels, suggesting their body clocks adjust to irregular schedules.
224 citations
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March 2006 in “Seminars in Cutaneous Medicine and Surgery” The document concludes that understanding hair follicle biology can lead to better hair loss treatments.
117 citations
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November 2006 in “Experimental Dermatology” The article concludes that the wool follicle is a valuable model for studying tissue interactions and has potential for genetic improvements in wool production.
13 citations
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January 2016 in “Annals of Dermatology” Stress can slow hair growth by affecting certain cells and pathways.
February 2026 in “International Journal of Molecular Sciences” Targeting mitochondria can improve skin healing and rejuvenation.
January 2026 in “Annals of Clinical Endocrinology and Metabolism” Restoring NAD⁺ may help with aging and chronic diseases, but more research is needed.
43 citations
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March 2011 in “Journal of psychosomatic research” Kids with alopecia areata may experience more stress but not necessarily feel more anxious or depressed than others.
43 citations
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January 2016 in “Oxidative medicine and cellular longevity” THSG from a Chinese plant helps with aging and related diseases.
15 citations
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January 2017 in “Pigment International” Early hair graying is often inherited and influenced by genetics, environment, and lifestyle, but treatment options are limited.
6 citations
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July 2023 in “Diabetology” Autologous micrografts significantly improve wound healing in diabetic conditions by speeding up tissue regeneration and reducing inflammation.
3 citations
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June 2024 in “International Journal of Molecular Sciences” Prolactin affects skin health and may lead to new treatments for skin and hair issues.
Extracted pectin from immature durian shows potential for use in cosmetics due to its strong antioxidant and protective properties.
July 2024 in “Nursing Research” Hair and nail cortisol levels can show long-term stress in young males.
3 citations
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October 2021 in “Indian Journal of Plastic Surgery” Pattern hair loss is mainly caused by genetics and hormones, with limited effective treatments available.
1 citations
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October 2022 in “Annual review of cell and developmental biology” The nervous system helps control stem cell behavior and immune responses, affecting tissue repair and maintenance.
February 2026 in “International Research Journal of Modernization in Engineering Technology and Science” Protect lips from aging with sunscreen, repair barriers, and boost collagen.
February 2026 in “Psychoneuroendocrinology” Hair cortisol concentration partly reflects HPA axis regulation but doesn't capture all its complexities.
April 2025 in “Diagnostics” Managing inflammation and using vitamins can improve PRP therapy for better hair growth.
Minoxidil may harm male reproductive health by causing testicular damage and hormonal disruption.
February 2026 in “Journal of Craniofacial Surgery Open” Hair extensions can damage scalp health and cause hair loss, especially with prolonged use.
February 2026 in “American Scientific Research Journal for Engineering, Technology, and Sciences (Global Society of Scientific Research and Researchers)” Gray hair requires special coloring techniques and care to maintain quality and strength.
116 citations
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May 2013 in “Proceedings of the National Academy of Sciences of the United States of America” Hair grows faster in the morning and is more vulnerable to damage from radiation due to the internal clock in hair follicle cells.
41 citations
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June 2018 in “Medicine Health Care and Philosophy” The article suggests using four questions to tell apart necessary medicalization from excessive medicalization, focusing on problem significance, social expectations, medical understanding, and effective resolution.
March 2026 in “International Journal of Science and Research (IJSR)” Melatonin protects skin and supports hair growth.
August 2018 in “Journal of Korean Academy of Fundamentals of Nursing” Supporting people with alopecia through psychological help and accurate information is crucial for managing stress and coping.
September 2021 in “Yearbook of pediatric endocrinology” Stress hormone stops a growth signal and keeps hair stem cells inactive, reducing hair growth.