February 2026 in “JOURNAL OF CLINICAL AND DIAGNOSTIC RESEARCH” Trichoscopy effectively detects early hair follicle changes before visible baldness in men under 40.
December 2004 in “Medicine” A thorough history and examination are crucial for diagnosing skin diseases, which affect up to a third of people. This includes details about skin lesions, medication, general health, lifestyle, family, and contacts, as well as examining the rash, hair, nails, and mucous membranes. Changes in hair and nails can also indicate other medical and skin disorders.
January 1996 in “Journal of Investigative Dermatology” 
January 2019 in “Indian Dermatology Online Journal” A community dermatology event in Delhi showed a high need for follow-up and awareness about skin conditions.
1 citations
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July 2023 in “Forensic science international. Genetics” Hair protein analysis might help identify a person's ethnicity, sex, and age in forensics.
16 citations
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May 2020 in “Psychoneuroendocrinology” People with Parkinson's disease have higher levels of cortisone in their hair, which may indicate chronic stress hormone dysfunction.
November 2024 in “Journal of Investigative Dermatology” Changes in hair follicle structure may help diagnose and monitor alopecia.
May 2021 in “Journal of the Endocrine Society” Female pattern hair loss severity is linked to physical signs of high androgens, not blood hormone levels.
2 citations
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July 2021 in “JAAD Case Reports” Trichoscopy of the beard is useful for diagnosing frontal fibrosing alopecia in men.
105 citations
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January 2009 in “Medicine” Hirsutism is more linked to high androgen levels than acne or hair loss, and a mix of hormonal tests is best for diagnosis; certain treatments can reduce symptoms.