February 2020 in “VSNU Open Access deal” Hair cortisol levels change with age, starting high at birth, decreasing until age 6, then rising to adult levels by age 18.
30 citations
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August 2016 in “Skin research and technology” 3D imaging shows clearer details of skin structure changes with age.
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March 2019 in “Journal of Cranio-Maxillofacial Surgery” The facial aging scale is a reliable tool for assessing skin aging and treatment effects.
237 citations
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February 2016 in “Science Translational Medicine” The timing of when the gene Bmal1 is active affects aging and survival, with its absence during development, not adulthood, leading to premature aging.
July 2020 in “Research Square (Research Square)” Higher BMI, IGF-1, and DHEAS levels are linked to advanced bone age in young Chinese girls with early breast development.
36 citations
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July 2016 in “Scientific reports” People's decision-making can be influenced by their internal biological clocks, as shown by gene expression, not just self-reported preferences for morning or evening.
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March 2010 in “Aging” Circadian clock genes are important for hair growth and may affect aging-related hair loss and graying.
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June 1993 in “Archives of Dermatology” A 22-year-old's gray hair partially turned back to its original color without known causes.
January 2025 in “BMC Pediatrics” Iranian girls in Isfahan typically start puberty around age 10, with menarche at 12.
11 citations
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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.
January 2026 in “Neuroscience Applied” Hair cortisol levels decrease as children age, stabilizing around age 4.
October 2025 in “PLoS ONE” Age-related hearing loss involves cochlear damage and metabolic changes.
4 citations
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August 2018 in “Journal of cellular biochemistry” Acid inside cells speeds up aging and turns on aging signs in mice.
September 2016 in “Springer eBooks” Looking older on the outside might be linked to aging faster on the inside and can be affected by lifestyle choices and health risks.
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January 2000 in “Pediatrics in review” Early sexual development in children, especially girls, can be treated with hormone therapy to improve adult height and requires support for the child and family.
December 2024 in “Chinese Journal of Dermatology” Higher DHT levels and family history lead to earlier hair loss in women.
July 2020 in “Research Square (Research Square)” Obesity and certain hormone levels can lead to advanced bone age in young girls with early breast development.
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January 2015 in “Trace Elements in Medicine (Moscow)” A 3.75-year-old girl showed that different body organs can grow at different rates.
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March 2004 in “Journal of the American Academy of Dermatology” The 60-second timed hair count is a reliable and simple way to measure hair shedding at home, showing older women tend to shed more hair than younger women.
December 2022 in “Geriatrics” Good communication helps predict successful aging in older Indonesians.
January 2013 in “Journal of Hubei University of Science and Technology(Medical Sciences)” Family history leads to earlier and more severe hair loss.
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July 1996 in “Cell” Chromosomal changes, including those in the WRN gene and rDNA, may significantly contribute to aging.
July 2023 in “AYUSHDHARA” Aging is a natural process causing physical and mental decline.
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April 2008 in “Neurobiology of aging” Scientists found a gene in mice that causes early hearing loss.
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July 2011 in “Pediatrics in review” Accurate assessment of puberty using Tanner staging is crucial for identifying normal and abnormal development.
September 2018 in “Journal of the American Academy of Dermatology” Elderly patients with CCCA were all African American with low vitamin D, but no iron or zinc deficiencies, and no hormonal imbalances compared to younger patients.
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January 2025 in “Aging and Disease” Lengthening telomeres may reverse aging and extend lifespan.
November 2022 in “International Journal of Trichology” Older people often experience changes and problems with their hair.
November 2022 in “Journal of Investigative Dermatology” The document concludes that a new method has been developed to test anti-aging substances on human skin, showing that these substances can reduce skin aging signs.
June 2023 in “Skin Health and Disease”