17 citations
,
January 2012 in “IOSR Journal of Environmental Science Toxicology and Food Technology” High doses of Tridax procumbens extract can be toxic, affecting liver and kidneys.
16 citations
,
October 2009 in “Xenobiotica” The tested hair dye ingredients do not form harmful oxidized metabolites in the liver.
48 citations
,
July 1996 in “Human & Experimental Toxicology” Human enzymes can detoxify harmful substances but might also increase their cancer risk.
54 citations
,
March 1991 in “Proceedings of the National Academy of Sciences” This model can replace animal testing for quick, cost-effective skin toxicity tests.
56 citations
,
January 1999 in “The Analyst” The method accurately measures certain steroids in human hair, showing different levels in males and females.
5 citations
,
January 2018 in “PubMed” Polish doctors find performance-enhancing substances unethical and want more knowledge to combat doping in sports.
2 citations
,
January 2004 in “AIP conference proceedings” Hair analysis can help screen for serious diseases like cancer and osteoporosis.
1 citations
,
August 2025 in “Clinica Chimica Acta” 4 citations
,
September 1993 in “Steroids” The method accurately measures testosterone metabolites with high sensitivity and low environmental impact.
May 2023 in “Sokoto journal of medical laboratory science” Commercial hair dyes can harm the skin and liver.
10 citations
,
August 2014 in “PLoS ONE” Hair follicles can help diagnose traumatic brain injury quickly and non-invasively.
54 citations
,
September 2019 in “Journal of the European Academy of Dermatology and Venereology” Tofacitinib is somewhat effective for alopecia areata, but more research is needed on its safety and long-term effects.
37 citations
,
January 2019 in “Food science & nutrition” Bergamot may improve heart health, skin conditions, and mood, but more research is needed to confirm these benefits.
29 citations
,
January 2009 in “International Journal of Trichology” Finasteride for hair loss may cause gynecomastia; doctors should inform patients.
15 citations
,
November 2015 in “Journal of Cosmetic Dermatology” Botanicals like green tea extract show potential for hair growth, but more research is needed.
4 citations
,
June 2021 in “Scientific Reports” Hair fiber shape and curvature are not significantly linked when ancestry is considered.
2 citations
,
February 2022 in “BMJ” Emollients can make fabrics more flammable, so take safety precautions.
1 citations
,
August 2024 in “Journal of Cutaneous and Aesthetic Surgery” Hair density decreases with age, especially in the 60s.
January 2026 in “Journal of Hard Tissue Biology” Red LED light boosts cell activity and growth, aiding wound healing and blood vessel repair.
A runner developed tangled armpit hairs from shirt friction, preventable by shaving or wearing smooth shirts.
January 2025 in “Dermatology Review” Trichilemmal carcinoma is rare, usually benign after removal, but needs close follow-up due to recurrence risks.
February 2024 in “bioRxiv (Cold Spring Harbor Laboratory)” Tandem repeats significantly influence hair color, especially darker shades, across different ancestries.
August 2019 in “Journal of archaeological science: Reports/Journal of archaeological science: reports” Ancient hair can preserve hormones, revealing health and fertility insights.
20 citations
,
August 2017 in “Drug testing and analysis” Drugs localize differently in hair strands based on their properties.
26 citations
,
December 2012 in “Bioanalysis” Dried blood spots can be as stable as frozen liquid samples for storing certain metabolites.
June 2026 in “Scholarly review .” Endocrine-disrupting chemicals cause irreversible harm to children's development, increasing disease risk.
February 2026 in “Molecules” A new method can quickly and accurately measure tobacco exposure and stress using a small hair sample.
May 2023 in “BMC Women's Health” Many women who have used performance-enhancing drugs in Finland show high rates of mental health and substance use issues, and most have normal red blood cell counts.
November 2025 in “Molecules” Microextraction techniques improve hormone testing while being environmentally friendly.
30 citations
,
April 2011 in “Rapid communications in mass spectrometry/RCM. Rapid communications in mass spectrometry” Analyzing hair with this method can help understand and monitor scalp conditions and treatment effects.