February 2024 in “JAAD International” Measuring the variety in hair thickness can help diagnose male pattern baldness in Korean men.
August 2024 in “Clinical & experimental pathology” Forensic DNA phenotyping can now predict more physical traits and ancestry from DNA, but further improvements are needed.
April 2026 in “Diagnostics” Skin changes in obesity can indicate metabolic issues but aren't reliable for assessing risk or monitoring treatment.
December 2024 in “Indian Dermatology Online Journal” Standard reference values for hair analysis in healthy Indian males were established.
December 2022 in “IntechOpen eBooks” Forensic DNA Phenotyping accurately predicts physical traits and is used in investigations, but needs more diverse population data for confirmation.
February 2026 in “British Journal of Sports Medicine” Transgender women have similar fitness to cisgender women, while transgender men have higher fat and lower strength than cisgender men; hormone therapy affects body composition and strength.
13 citations
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June 2006 in “Pituitary” A woman with acromegaloidism and normal growth hormone levels had a rare X-Tetrasomy, suggesting a need to study X-chromosome genes for their role in growth and facial development.
Men with hair loss and shorter height may be perceived as less attractive.
Women with PCOS have different body composition and some metabolic differences compared to healthy women.
70 citations
,
February 2009 in “Biological Trace Element Research”
2 citations
,
January 1994 in “Journal of S C C J” The study concluded that certain hair growth measurements are good indicators of baldness severity and provide a more accurate assessment than subjective grading.
January 2019 in “Trace Elements in Medicine (Moscow)” Hair analysis may help monitor health in children with Down syndrome and obesity.
63 citations
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February 2003 in “Australasian Journal of Dermatology” Global photography and phototrichogram techniques are the best current methods for measuring hair growth.
1 citations
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August 2025 in “The Egyptian Journal of Internal Medicine” BMI is a simple, cost-effective tool for screening obesity and related diseases.
August 2015 in “Psychoneuroendocrinology” 11 citations
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November 1966 in “Experimental Biology and Medicine” Hair diameter can indicate protein status in malnourished children if sample location is controlled.
22 citations
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May 2006 in “Experimental and Clinical Endocrinology & Diabetes” Calculated testosterone values are reliable for assessing hyperandrogenemia in women, making direct measurement unnecessary.
People with androgenic alopecia are more likely to have metabolic syndrome than healthy individuals.
2 citations
,
July 2008 in “Dermatologic Surgery” The Cross-section Trichometer is a promising tool for measuring hair characteristics without cutting the hair and may have various clinical uses.
22 citations
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May 1986 in “Clinics in endocrinology and metabolism” Certain finger length ratios and body hair patterns may predict side effects from birth control pills in women.
24 citations
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May 1951 in “Endocrinology” Adrenocorticotropic hormone inhibits growth and affects body composition in male rats.
7 citations
,
January 2002 in “Biological Trace Element Research” Children with pituitary dwarfism have higher zinc and copper, lower manganese, and similar iron levels in hair compared to normal children.
14 citations
,
February 1982 in “American Journal of Clinical Nutrition” Hair pluckability can help assess protein nutrition status.
November 2022 in “Journal of the Endocrine Society” Diagnosing osteoporosis in transgender people is challenging due to unclear guidelines and hormone treatment effects.
9 citations
,
January 2011 in “Skin Research and Technology” The new automatic tool accurately measures hair thickness and is reliable.
27 citations
,
June 1989 in “Journal of Medical Genetics” Hairy elbows may be linked to short stature, but the exact cause is unclear.
November 2007 in “Cancer Epidemiology and Prevention Biomarkers” Higher C-peptide levels in African-American men and higher HbA1c levels in Caucasian men are linked to lower PSA levels.
40 citations
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April 2006 in “Journal of the European Academy of Dermatology and Venereology” The Trichoscan system was found to be inaccurate for measuring hair growth, needing better software to be useful.
October 2023 in “Dermatology practical & conceptual” Finger length ratios might help predict common hair loss.
2 citations
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April 2023 in “Archives of Aesthetic Plastic Surgery” The phototrichogram is better for measuring hair thickness.