Hormones, especially testosterone and DHT, are key for penis development and function, and testosterone therapy may help with erectile dysfunction in those with low levels.
October 2022 in “International Journal of Molecular Sciences” Fish collagen peptides can significantly promote hair growth.
October 2020 in “Clinical and Experimental Dermatology” Hair loss improved after removing pituitary tumor.
314 citations
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April 2010 in “Developmental Cell” β-catenin in the dermal papilla is crucial for normal hair growth and repair.
19 citations
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November 2001 in “Journal of Investigative Dermatology Symposium Proceedings” Human hair follicles can regenerate and recover after severe injury by going through a brief abnormal resting phase before growing again.
7 citations
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January 2013 in “BioMed research international” Hair follicles and deer antlers regenerate similarly through stem cells and are influenced by hormones and growth factors.
2 citations
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November 2011 in “InTech eBooks” Most adrenal cortex tumors are benign and non-secreting, but proper diagnosis and treatment are important due to the rare possibility of cancer.
Recombinant type XVII collagen may help regrow hair by activating specific cell pathways.
October 2024 in “International Journal of Molecular Sciences” Rosa rugosa extract promotes hair growth and could be a natural treatment for hair loss.
November 2023 in “Food science of animal resources” Lactilactobacillus curvatus LB-P9 taken orally helps hair regrow faster and thicker in mice.
January 2019 in “Springer eBooks” Acne is linked to inflammation and insulin resistance, and is associated with various syndromes that require different treatments.
8 citations
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June 2021 in “Frontiers in Bioengineering and Biotechnology” Extracts from Alnus sibirica and oregonin may help with hair growth and prevent hair loss.
3 citations
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October 2023 in “Bioscience Biotechnology and Biochemistry” Salmon nasal cartilage proteoglycan may help hair grow.
163 citations
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April 2019 in “Nature Communications” Mechanical stretching of the skin can promote hair growth by activating certain immune cells.
113 citations
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November 2017 in “Scientific Reports” Tiny particles from stem cells help activate hair growth cells and encourage hair growth in mice without being toxic.
96 citations
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February 2007 in “The Journal of Clinical Endocrinology & Metabolism” Women with type 1 diabetes often have polycystic ovary syndrome and excess male hormones, which are frequently undiagnosed.
74 citations
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July 2010 in “The Journal of Clinical Endocrinology & Metabolism” Treatment of acromegaly can improve women's reproductive health issues caused by hormonal imbalances or tumors.
25 citations
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August 2015 in “International Journal of Cosmetic Science” Malva verticillata seed extract might help treat hair loss by activating hair growth signals in skin cells.
20 citations
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January 2012 in “Journal of Steroids & Hormonal Science” The document concludes that there are still unknowns about the effectiveness, risks, and detection of performance-enhancing drugs, and doping remains a challenge.
18 citations
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September 2011 in “Livestock science” Maternal Nano-Se supplements improve fetal hair follicle development in cashmere goats.
14 citations
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September 2018 in “The journal of allergy and clinical immunology/Journal of allergy and clinical immunology/The journal of allergy and clinical immunology” A boy's growth and immune problems were caused by a new mutation in the STAT5B gene.
14 citations
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November 2012 in “SLAS discovery” Some herbal extracts can promote hair growth and prevent hair loss.
14 citations
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January 2008 in “Gene therapy” Gene therapy shows promise for enhancing physical traits but faces ethical, safety, and regulatory challenges.
13 citations
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August 2020 in “Frontiers in Cell and Developmental Biology” Twist1 helps maintain important features of cells crucial for hair growth by working with Tcf4 and β-catenin.
9 citations
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January 2023 in “Cellular and Molecular Life Sciences” Botulinum toxin A can help improve thin endometrium and embryo implantation.
5 citations
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April 2022 in “Pharmaceutics” Minoxidil nanoparticles significantly boost hair growth in mice compared to regular minoxidil.
2 citations
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July 2022 in “Cutis” Diet may influence acne development.
2 citations
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January 2019 in “Annals of Dermatology” Melandrium firmum extract helps mice grow hair by blocking a hair loss enzyme and changing hair growth genes.
February 2026 in “International Journal of Molecular Sciences” 3-Hydroxypropionic acid may help treat hair loss by promoting hair growth in cells.
December 2025 in “Frontiers in Veterinary Science” Key genes like KRT27 and IGF-2 are crucial for hair follicle development in Qianhua Mutton Merino sheep.