80 citations,
January 2011 in “Clinical Chemistry and Laboratory Medicine (CCLM)” Hair cortisol levels can reflect salivary cortisol levels in humans.
12 citations,
January 2020 in “Analyst” Researchers found markers that can tell if hair has been bleached, which could improve hair test accuracy.
11 citations,
May 2020 in “Frontiers in psychiatry” Child abuse is linked to higher BMI, but not because of hair cortisol or cortisone levels.
29 citations,
January 2021 in “Journal of Investigative Dermatology” Fat under the skin releases HGF which helps hair grow and gain color.
64 citations,
May 2019 in “Materials Science and Engineering: C” Microneedle technology has improved drug delivery and patient comfort but needs more research for broader use.
November 2024 in “Frontiers in Endocrinology” Hair analysis can help diagnose adrenal disorders non-invasively.
23 citations,
June 2019 in “Bioanalysis” Monitoring steroid hormones in blood can better detect testosterone doping.
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.
5 citations,
October 2022 in “Frontiers in bioengineering and biotechnology” Ro stress hindered ginseng root growth and ginsenoside production, but increased certain hormones and affected gene regulation related to plant growth and stress responses.
10 citations,
September 2020 in “Metabolites” Hair color and length affect metabolite profiles in hair, so they should be considered in hair analysis.
7 citations,
August 2023 in “Ageing Research Reviews” More research is needed to understand hair aging and develop effective treatments.
1 citations,
January 2024 in “International journal of molecular sciences” MicroRNAs could be key biomarkers and therapeutic targets for PCOS.
86 citations,
June 2017 in “Anais Brasileiros de Dermatologia” Antioxidants can benefit skin health but should be used carefully to avoid negative effects.
50 citations,
May 2018 in “International journal of cardiology” Testosterone is linked to cardiovascular risk factors and stroke, but its exact role is unclear.
14 citations,
January 2018 in “Advances in Clinical Chemistry” The document concludes that hormonal biomarkers are key for diagnosing hyperandrogenemia in women and hypogonadism in men.
14 citations,
September 2017 in “Proteomics. Clinical applications” Hair protein analysis could improve medical testing and understanding of hair characteristics.
49 citations,
December 2017 in “Journal of pharmaceutical and biomedical analysis” The method effectively detects banned substances in urine for sports antidoping.
89 citations,
January 2013 in “Acta dermato-venereologica” The document concludes that dandruff and seborrheic dermatitis are linked to inflammation and skin changes, and treating them with specific shampoos can reduce these issues.
2 citations,
May 2022 in “Diagnostics” Vitamin D levels in hair don't match those in blood, so hair isn't a reliable indicator of Vitamin D status.
7 citations,
June 2020 in “Experimental dermatology” Researchers found that certain lipids, especially vitamin D3, are lower in prematurely grey hair than in pigmented hair.
7 citations,
September 2020 in “Journal of Cosmetic Dermatology” Serum biomarkers like insulin-like growth factor-1 and vitamin D may help diagnose androgenetic alopecia.
1 citations,
December 2018 in “IntechOpen eBooks” Human hair shows promise for non-invasive medical testing, but more research is needed to standardize its use.
43 citations,
July 2012 in “Molecular human reproduction” Certain metabolites are lower in women with PCOS and could be potential markers for the condition.
103 citations,
June 2006 in “British journal of sports medicine” The document concludes that better biomarkers are needed to detect long-term oral testosterone use in athletes.
June 2023 in “Frontiers in Bioengineering and Biotechnology” The conclusion is that accurately replicating the complexity of the extracellular matrix in the lab is crucial for creating realistic human tissue models.
1 citations,
July 2022 in “Frontiers in Pharmacology” Dutasteride may help protect neurons and reduce inflammation in Parkinson's disease.
April 2018 in “Journal of Investigative Dermatology” The research found that a specific skin cell type not only triggers hair growth but also controls hair color, and that aging can lead to hair loss and color changes.
1 citations,
January 2020 in “International Journal of Trichology” High YKL-40 levels predict early hair loss and hidden metabolic issues.
96 citations,
September 2017 in “Analytica Chimica Acta” Hair elemental analysis could be useful for health and exposure assessment but requires more standardization and research.
27 citations,
October 2013 in “Experimental dermatology” Scleroderma patients have lower hair miR-29a levels.