6 citations
,
March 2022 in “International journal of molecular sciences” Natural skincare products may help reduce sun damage and support the skin's daily cycle.
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.
3 citations
,
July 2023 in “Frontiers in Aging” Hair follicle stem cells change states with age, affecting hair growth and aging.
5 citations
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November 2009 in “Revista médica de Chile” Hair growth cycles in Chileans vary seasonally, with more hair resting in summer and growing in winter.
2 citations
,
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.
1 citations
,
December 2021 in “American Journal of Obstetrics and Gynecology” Hair cortisol levels peak in the third trimester and decline postpartum.
January 2025 in “Scientific Reports” Hair analysis can show changes in vitamin D levels over time.
2 citations
,
January 2012 in “STARS (University of Central Florida)” Analyzing isotopes from different tissues can effectively reveal detailed life histories of individuals.
11 citations
,
August 2018 in “Asian-Australasian journal of animal sciences” Short daily photoperiods improve cashmere production in Inner Mongolia white cashmere goats.
July 2022 in “Research Square (Research Square)” Hair analysis can somewhat track past testosterone levels but is influenced by factors like hair washing, growth rate, sex, and hair color.
Hair can show daily calcium changes, linked to body calcium levels and influenced by hormones, and can help assess calcium metabolism issues.
12 citations
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January 1981 in “Springer eBooks” Environmental factors like temperature and nutrition affect hair growth, with humans showing seasonal hair growth differences.
30 citations
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March 2001 in “Environmental Health Perspectives” Small changes in hormones can significantly impact health, showing the importance of sensitive testing for chemicals that disrupt hormones.
September 2025 in “bioRxiv (Cold Spring Harbor Laboratory)” Non-invasive methods can effectively monitor hair growth cycles, aiding hair loss treatment development.
January 2022 in “Figshare” Melatonin affects specific gene patterns and biological processes in goat hair growth.
10 citations
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March 2019 in “Journal of neuroendocrinology” Testosterone affects stress hormone levels differently in adolescent and adult male rats.
3 citations
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March 2024 in “iScience” Long-lived proteins may predict age-related diseases.
1 citations
,
March 2023 in “PloS one” Different amounts of daylight affect cashmere growth in goats by changing the activity of certain genes and molecules.
19 citations
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August 2022 in “Forensic Science International Genetics” The model accurately predicts age from saliva and buccal cells for forensic use.
58 citations
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December 2020 in “Mayo Clinic Proceedings” The conclusion is that individual differences in COVID-19 severity are influenced by factors like age, sex, race, and genetics, which are important for personalized medicine.
80 citations
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January 2011 in “Clinical Chemistry and Laboratory Medicine (CCLM)” Hair cortisol levels can reflect salivary cortisol levels in humans.
23 citations
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March 2023 in “eLife” Stem cell differentiation involves gradual chromatin changes and dynamic gene activity.
October 2021 in “Research Square (Research Square)” Melatonin affects certain genes and pathways involved in cashmere goat hair growth.
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.
16 citations
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April 2012 in “Gynecological Endocrinology” Older obese women with PCOS have higher cardiovascular and metabolic risks despite lower androgen levels.
Certain medications, especially nervous system drugs, can cause insomnia, with risks varying by age and gender.
157 citations
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June 2015 in “Psychoneuroendocrinology” Hair cortisol and cortisone levels increase with age, are higher in diabetics, vary by gender, decrease with frequent hair washing, and are lower in winter.
1 citations
,
August 2019 in “Research Square (Research Square)” Cashmere goats have a hair growth cycle with specific genes regulating growth, regression, and resting periods.
29 citations
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November 2022 in “Nature Medicine” Genetic variations greatly affect individual metabolism and can impact health and disease risk.
1 citations
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October 2013 in “MacSphere (McMaster University)” Changes in δ¹⁵N values in hair can indicate stress or health issues.