9 citations
,
July 2018 in “Journal of Testing and Evaluation” Adding human hair to sand improves its strength when dry and maintains strength when wet.
1 citations
,
June 2023 in “Psychoneuroendocrinology” Childhood sexual trauma, especially between ages 5-7, is linked to lower cortisol levels in adult hair, suggesting long-term stress response changes.
12 citations
,
April 2016 in “Chinese Medicine” The research identified 12 antioxidant compounds in Polygonum multiflorum roots, suggesting these as quality markers for the plant's processed roots.
67 citations
,
May 2013 in “Therapeutic drug monitoring” Wait 4-5 weeks after drug use before hair testing and cut hair into three segments to confirm single drug exposure.
7 citations
,
April 2012 in “Clinical investigation” Transdermal testosterone can improve sexual desire in postmenopausal women but lacks long-term safety data and is not FDA-approved for this use.
4 citations
,
February 2022 in “Journal of Pharmaceutical and Biomedical Analysis” The conclusion is that a new method can measure caffeine and drugs in hair, finding caffeine abusers have 70 times more caffeine than normal, with a proposed cut-off value for abuse.
February 2019 in “Psychoneuroendocrinology” Hair samples can reliably show average long-term hormone levels in young women.
1 citations
,
March 2019 in “Hygiene and Sanitation” Heavy metals can damage skin and hair in mice.
10 citations
,
June 2010 in “Fertility and Sterility” Patients with PCOS tend to score their hirsutism higher than clinicians, making self-scoring less useful for diagnosis.
3 citations
,
January 2021 in “Wear” Hair's resistance to wear varies by ethnicity and treatment, with less wear indicating stronger hair.
Haircare products may expose users to harmful chemicals despite regulations.
17 citations
,
July 2017 in “International Journal of Behavioral Medicine” The Egyptian Arabic Skindex-16 is a reliable way to measure how skin diseases affect quality of life in Egyptian patients.
15 citations
,
November 2007 in “Journal of Neurochemistry” Stopping alcohol after long-term use causes anxiety and changes brain chemicals.
The review suggests the study on male pattern baldness needs more detail on sample size, methodology, bias, and ethical considerations.
2 citations
,
July 2019 in “International Journal of Neuroscience and Behavioral Science” Thevetia peruviana bark extract reduces pain in mice and may help create new painkillers.
10 citations
,
January 2019 in “Archives of Endocrinology and Metabolism” Testosterone therapy may slightly increase sexual desire in women with HSDD but lacks broad recommendation due to safety concerns and limited approval.
June 2018 in “Exchanges: The Warwick Research Journal” Advertising mixes truth and imagination to persuade consumers that products are essential.
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.
2 citations
,
July 2023 in “Water” Tradescantia plants can effectively test for the toxicity of harmful algae.
25 citations
,
November 2013 in “PLoS ONE” Estrogen and androgen signals control synaptic changes in rat brains.
October 2025 in “Coloration Technology” Delipidised wool is brighter, dyes better, and is more eco-friendly.
5 citations
,
April 2022 in “Journal of Chromatography B” The new method can measure sleep-related hormones in hair effectively and could help track long-term sleep patterns.
37 citations
,
February 2010 in “Psychoneuroendocrinology” Androgen self-administration might be controlled by membrane receptors, not nuclear ones.
11 citations
,
April 2020 in “Animals” Moving horses to new places can increase their stress levels, as shown by higher stress hormone in their hair.
9 citations
,
January 1983 in “Journal of Chromatography B Biomedical Sciences and Applications” Human hair follicles can assess carcinogen metabolism and imidazole compounds might be effective anticarcinogens.
7 citations
,
May 2017 in “Behavioural brain research” Changing neuroactive steroid levels early in life can affect how adult rats respond to alcohol's stimulating effects.
5 citations
,
June 2010 in “Universitas Psychologica” Progesterone helps protect against stress-related memory and behavior issues in rats.
March 2025 in “bioRxiv (Cold Spring Harbor Laboratory)” HairTime can predict and adjust human sleep patterns using a hair sample.
8 citations
,
March 2021 in “Drug testing and analysis” Researchers improved a method to more accurately estimate when and how long a drug was taken using hair analysis.