Counterfeit drugs for bodybuilders often contain incorrect or contaminated ingredients and look like real products.
20 citations
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July 2010 in “Skin Research and Technology” Aging makes hair thinner and rougher, with less clear edges.
November 2025 in “Journal of Laboratory Medicine” Chronic stress increased after lockdown, especially in young adults and females.
Exposure to toxic elements like mercury and lead may be linked to autism, and a higher zinc to copper ratio might help protect against it.
48 citations
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January 2018 in “Scientific Reports” Hair analysis can reveal metabolic changes and potential pregnancy complications.
21 citations
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December 2011 in “Chungara” Mummy hair's chemical composition may not accurately show ancient people's health due to environmental contamination.
1 citations
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September 2024 in “Scientific Reports” Non-invasive swabbing is as effective as cutting hair for collecting scalp hair bacteria.
September 2025 in “International Journal of Ayurvedic Medicine” Hair medulla patterns vary by Prakruti type, affecting hair strength.
Hair analysis can help identify specific minerals and amino acids linked to various diseases.
340 citations
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September 2014 in “PLOS Genetics” The study found that in Latin America, ancestry varies by location, influences physical traits, and affects how people perceive their own heritage.
128 citations
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January 1996 in “Journal of analytical toxicology.” Hair analysis can detect cocaine use but doesn't accurately show the amount or timing of use.
87 citations
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July 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Human beard hair medulla contains a unique and complex mix of keratins not found in other human tissues.
46 citations
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January 2009 in “Textile Research Journal” Researchers developed a new method to identify animal hair in textiles, which is effective for various fibers and more reliable than previous methods.
33 citations
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January 2017 in “Conservation physiology” Measuring reproductive hormones in brown bear hair could help identify their sex and reproductive state, but better collection methods or lab techniques are needed.
25 citations
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July 2014 in “Hong Kong medical journal” Some skin disorders might be linked to H. pylori infection, but more research is needed to confirm this.
15 citations
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January 1971 in “British Journal of Dermatology” Hair can indicate early signs of metabolic disorders, with issues like protein deficiency stopping hair growth.
7 citations
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July 2021 in “Molecules/Molecules online/Molecules annual” The method can measure vitamin B3 levels in human hair accurately.
4 citations
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May 2021 in “Molecules” The hair test for vitamin D could be a useful alternative to blood tests, providing a longer-term vitamin D status, but more research is needed.
4 citations
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February 2025 in “Endokrynologia Polska” Provide individualized, supportive care for transgender and non-binary adolescents to improve their well-being.
4 citations
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November 2024 in “Cell Biology and Toxicology” Blocking certain receptors in the lungs might help treat a specific type of asthma.
3 citations
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March 2021 in “Metabolites” Hair loss causes differ between men and women due to changes in hormone levels and inflammation-related pathways.
2 citations
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December 2020 in “Phytomedicine plus” Taking Saw palmetto and Pygeum africana can change the levels of certain steroids in urine, which could cause confusion in doping tests.
September 2025 in “Frontiers in Genetics” The method effectively extracts high-quality DNA from marmoset hair, avoiding blood chimerism.
April 2024 in “Frontiers in cellular and infection microbiology” Blue light might help treat skin conditions by affecting the skin's bacteria.
Toxoplasma gondii infection may increase testosterone levels in males.
May 2023 in “Animal Reproduction Update” High levels of cortisol in hair show long-term stress which can lower fertility in animals.
January 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” Mothers have more hair proteins than their children, with age-related differences in protein patterns, and some proteins in hair could indicate early childhood development.
January 2019 in “Springer Reference Medizin” Follicle Stimulating Hormone is important for fertility.
April 2017 in “International journal of research in Ayurveda and pharmacy” Ayurvedic methods can help reduce the harmful effects of chemicals in cosmetics.
January 2017 in “Acta dermato-venereologica” The congress showed that psychological therapy can help skin condition patients, social media affects acne stigma, education improves atopic dermatitis, and patient satisfaction in dermatology is high, especially with good doctor engagement.