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.
75 citations
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September 2017 in “Developmental biology” The circadian clock influences the behavior and regeneration of stem cells in the body.
5 citations
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December 2016 in “International journal of biometeorology” Bright light during the day doesn't change most human clock genes but may slightly increase Rev-erb-ß.
12 citations
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July 2017 in “Scientific reports” Researchers developed a way to study human body clocks using hair tissue, which works similarly in both healthy and dementia patients.
9 citations
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July 2018 in “European journal of dermatology/EJD. European journal of dermatology” Disrupted sleep patterns can harm skin and hair cell renewal, but melatonin might help.
81 citations
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October 2014 in “The journal of investigative dermatology/Journal of investigative dermatology” Certain genes control the color of human hair by affecting pigment production.
77 citations
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June 2007 in “PLoS ONE” Birds can regenerate inner ear cells using specific gene pathways, unlike mammals.
April 2024 in “Communications biology” Enzymes involved in Vitamin A metabolism affect hair growth and type in mice.
The trial aims to understand how obesity and lifestyle affect circadian rhythms in people with schizophrenia and bipolar disorder.
221 citations
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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.
28 citations
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May 2017 in “Molecular ecology” Researchers found genes that control hair color and growth change before the visible coat color changes in snowshoe hares.
10 citations
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August 2014 in “Skin research and technology” Sleep, testosterone levels, and a specific enzyme activity affect skin oil production in women.
59 citations
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February 2012 in “Journal of Dermatological Science” Environmental factors at different levels control hair stem cell activity, which could lead to new hair growth and alopecia treatments.
6 citations
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March 2022 in “International journal of molecular sciences” Natural skincare products may help reduce sun damage and support the skin's daily cycle.
4 citations
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October 2013 in “Springer eBooks” Melatonin receptors, found in many body parts, can help treat various diseases like depression and diabetes due to their effects on inflammation, tumor progression, sleep disorders, and body mass regulation.
31 citations
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January 2011 in “Dermato-endocrinology” Melatonin protects skin against UV damage by regulating various cellular processes.
1 citations
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May 2025 in “BMC Genomics” lncRNAs may help control cashmere goat hair growth by responding to light changes.
December 2025 in “npj Systems Biology and Applications” Cold temperatures can stop human cell circadian rhythms, but warming restores them.
October 2014 in “Tesis Doctorals en Xarxa (Consorci de Serveis Universitaris de Catalunya)” Cell processes depend on time-of-day and protein complex flexibility for skin health.
February 2025 in “Biomolecules” Melatonin can help or hinder hair growth depending on the dose.
120 citations
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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.
1 citations
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April 2024 in “Food Frontiers” Pu-erh tea reduces hair loss risk in offspring.
27 citations
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February 2014 in “BMC Cancer” Circadian rhythm disruption, chronic inflammation, hormones, metabolism, and genetics may increase prostate cancer risk.
2 citations
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March 2022 in “Research Square (Research Square)” Seasonal changes affect gene activity linked to hair growth in Angora goats, influencing mohair quality.
November 2022 in “Research Square (Research Square)” Seasonal changes affect hair growth genes in Angora goats, possibly influencing mohair quality.
8 citations
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March 2014 in “Experimental Dermatology” Light and temperature affect the daily skin function rhythms in hairless rats, with temperature influencing water loss but not skin hydration.
January 2023 in “Kafkas üniversitesi veteriner fakültesi dergisi/Kafkas üniversitesi veteriner fakültesi dergisi” Seasonal changes affect gene activity linked to hair growth in Angora goats.
115 citations
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November 2015 in “The journal of allergy and clinical immunology/Journal of allergy and clinical immunology/The journal of allergy and clinical immunology” Children with atopic dermatitis often have sleep problems, affecting their growth and behavior.
63 citations
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March 2016 in “International Journal of Molecular Sciences” Children with atopic dermatitis often have sleep problems due to itching and may benefit from melatonin, which helps with sleep and skin symptoms.
6 citations
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May 2020 in “Scientific reports” Researchers identified genes and proteins that may influence wool thickness in sheep.