13 citations
,
June 2020 in “International Journal of Molecular Sciences” HNG helps hair grow by keeping hair in the growth phase longer.
August 2024 in “Clinical & experimental pathology” Forensic DNA phenotyping can now predict more physical traits and ancestry from DNA, but further improvements are needed.
35 citations
,
November 2021 in “Journal of Animal Science and Biotechnology/Journal of animal science and biotechnology” DNA methylation changes in Tan sheep affect growth and fur traits.
December 2022 in “The Aging Male” Lower 2D:4D ratio and older age increase the risk of severe hair loss in men.
4 citations
,
February 2018 in “EMBO reports” New DNA analysis and machine learning are advancing forensic science, improving accuracy and expanding into non-human applications.
11 citations
,
October 2020 in “General and comparative endocrinology” Male C57BL/6 mice show age-related fluctuations in certain hormones and their ratios in both blood and hair.
13 citations
,
December 2017 in “Stem cells” Low-dose radiation affects hair stem cell function and survival by changing their genetic material's structure.
384 citations
,
January 2008 in “Journal of Internal Medicine” Mitochondrial dysfunction contributes to ageing by causing DNA mutations and reduced cell function.
September 2019 in “Journal of Investigative Dermatology” Specialized ribosomes affect aging in human skin cells.
June 2026 in “Journal of Investigative Dermatology” Aging weakens sweat glands due to reduced support from immune cells, but treatments may help restore function.
January 2018 in “Genetic engineering & biotechnology news” A genetic mutation linked to longer life and less disease was found in the Amish, and a drug is being developed to replicate these benefits.
3 citations
,
March 2024 in “iScience” Long-lived proteins may predict age-related diseases.
February 2024 in “Journal of Investigative Dermatology” Deleting NIPP1 in mouse skin cells causes early aging and chronic skin issues.
20 citations
,
July 2010 in “Skin Research and Technology” Aging makes hair thinner and rougher, with less clear edges.
April 2025 in “Molecular Biology Reports” DNMT1 may help treat hypospadias by improving cell function and preventing unwanted cell changes.
January 2026 in “Annals of Clinical Endocrinology and Metabolism” Restoring NAD⁺ may help with aging and chronic diseases, but more research is needed.
12 citations
,
May 2013 in “International Journal of Molecular Sciences” Stem cells from elderly skin can become neurons, offering potential for brain therapy.
28 citations
,
September 2013 in “Biogerontology” 23 citations
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July 2020 in “Aging Cell” Aging changes sugar molecules on skin stem cells, which may affect their ability to repair skin.
September 2023 in “Journal of the American Academy of Dermatology” Females and people aged 29-56 are more likely to use sunscreen, while non-Hispanic Black individuals are less likely to use it compared to non-Hispanic White individuals.
6 citations
,
July 2016 in “Cell cycle/Cell cycle (Georgetown, Tex. Online)” Younger mice's hair-follicle stem cells are better at turning into heart cells than older mice's.
April 2023 in “Journal of Investigative Dermatology” Protein analysis shows aging changes in scalp cell types from women.
April 2018 in “Journal of Investigative Dermatology” The research found that blocking a gene called NEMO can potentially prevent harmful effects of aging at the cellular level.
Older women's scalp cells show changes that could contribute to hair thinning.
30 citations
,
November 2013 in “PLOS ONE” Androgen receptor signaling causes early aging of cells important for hair growth by damaging their DNA.
1 citations
,
January 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” Blocking IL-17 signaling can delay skin aging and improve skin and hair health.
May 2023 in “Journal of the Dermatology Nurses' Association” The DNA convention was a valuable opportunity for learning and networking, especially after COVID-19.
January 2026 in “Molecular Nutrition & Food Research” Gynostemma pentaphyllum and Damulin B help prevent skin aging from UVB by reducing oxidative stress and improving skin health.
As people age, certain enzymes in scalp glands decrease, affecting hair health.
143 citations
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September 2008 in “Experimental gerontology” Skin aging is due to impaired stem cell mobilization or fewer responsive stem cells.