50 citations
,
November 2020 in “Physiology & behavior” People with depression often have higher hair cortisol levels, while those with PTSD tend to have lower levels, but more research is needed to understand this fully.
10 citations
,
July 2017 in “Archives of Plastic Surgery” Hair thickness decreases from the upper to lower areas of the back of the head, affecting hair transplant results.
December 2019 in “bioRxiv (Cold Spring Harbor Laboratory)” Redheaded people have higher levels of a vitamin D precursor, suggesting red hair may be an adaptation for better vitamin D synthesis in areas with less sunlight.
July 2022 in “International Journal of Health Sciences” Cardiac risk markers help assess heart risk in males with type 2 diabetes and low DHT.
83 citations
,
August 2014 in “PLoS ONE” All adults have Demodex mites, which vary by region.
The new method can tell how hair fibers react to moisture after treatments.
July 1995 in “Journal of Dermatological Science” 54 citations
,
November 1995 in “The Journal of Clinical Endocrinology & Metabolism” Females with 5 alpha-reductase-2 deficiency have less body hair, no acne, normal fertility, and delayed menarche.
May 2021 in “Journal of the Endocrine Society” A woman's hair loss and other symptoms were due to a rare hormone deficiency treatable with steroids.
January 2018 in “Communications in computer and information science” Researchers developed a computer system to automatically diagnose hair loss by analyzing scalp images.
271 citations
,
December 2005 in “New England journal of medicine/The New England journal of medicine” The document likely offers guidance on treating a woman's excessive hair growth, considering her symptoms and obesity.
7 citations
,
November 2006 in “Journal of immunological methods” The method can help diagnose and monitor diabetes by analyzing hair.
May 2016 in “Endocrine Abstracts” Proximal hair cortisol is a reliable tool for diagnosing Cushing's Syndrome.
7 citations
,
December 1971 in “European Journal of Endocrinology” Human hair follicles can process steroid hormones like DHEA.
January 2013 in “Belarusian State Pedagogical University repository (Belarusian State Pedagogical University)”
13 citations
,
August 1995 in “Australasian Journal of Dermatology” Hair follicles are smaller in people with androgenetic alopecia compared to those with normal scalps.
31 citations
,
December 2002 in “Biochimica et biophysica acta. G, General subjects/Biochimica et biophysica acta. General subjects (Online)” The research found two types of calcium in human hair, one that varies among individuals and another that is consistent across people.
January 2008 in “Journal of The American Academy of Dermatology” Trichoscopy is a helpful and quick method to identify different types of hair loss in women.
1 citations
,
May 2017 in “Asian journal of medical sciences” The dietary supplement significantly improved skin, nails, and hair in older adults.
January 2023 in “DIGITAL HEALTH” Most men using teledermatology for hair loss treatment saw improved hair and self-esteem, with some experiencing side effects.
4 citations
,
June 2025 in “JMIR Formative Research” Hair cortisol concentration may reflect some physiological stress but doesn't strongly correlate with perceived stress.
May 2025 in “Journal of Investigative Medicine” FAI is a better marker for predicting female hair loss than testosterone or SHBG alone.
5 citations
,
January 1997 in “Journal of Occupational Health” The method effectively maps lead and zinc in hair, aiding understanding of heavy metal exposure risks.
1 citations
,
May 2024 in “Preprints.org” Rex rabbit fur is best harvested at 120 days for optimal hair density and quality.
January 2023 in “Al-Azhar International Medical Journal /Al-Azhar International Medical Journal” Panoramic Trichoscopy is a new, better way to assess widespread hair loss.
2 citations
,
September 2023 in “Journal of the Egyptian Womenʼs Dermatologic Society” Exclamation mark hairs and broken hairs best indicate active alopecia areata.
September 2023 in “Journal of the turkish academy of dermatology” Men with male pattern baldness had higher body fat and obesity-related measurements but similar heart fat and artery thickness compared to healthy men.
August 2023 in “Journal of The American Academy of Dermatology” Finasteride made hair thicker on the back of the head in men with hair loss.
July 2024 in “International Journal of Women’s Dermatology” Many Hijabi women worry about hair loss, but fewer actually experience it.
November 2014 in “British Journal of Dermatology” Hair loss is due to thinner hairs, not less hairs; hair diameter indicates balding progression and treatment effectiveness.