14 citations,
January 2001 in “Clinical chemistry” Hair can be used to measure cancer-related chemicals noninvasively.
Different botulinum toxin products and concentrations can effectively reduce sweating, itching, bladder pressure, hair loss, and muscle spasms.
10 citations,
May 2010 in “Analytica Chimica Acta” New tests detect finasteride and dutasteride in urine quickly and easily.
15 citations,
October 2010 in “Archives of Toxicology” A yeast-based test can detect the steroid methyltestosterone in urine longer than traditional methods.
2 citations,
January 1994 in “Yakubutsu dōtai” Finasteride has different absorption and metabolism in male and female rats, with higher concentrations in certain organs and mostly excreted through feces.
7 citations,
January 2010 in “Pharmacognosy Research” The tobacco leaf extract may help hair grow and could treat hair loss.
74 citations,
March 2006 in “Journal of Chromatography B” Hair analysis is promising for detecting drug misuse in livestock.
January 2024 in “Current research in toxicology” Thallium is highly toxic, causing severe health issues, and Prussian blue is the best antidote.
73 citations,
January 2013 in “Annals of Dermatology” People with hair loss, especially those with certain types, have lower zinc levels, and zinc supplements might help.
37 citations,
March 2014 in “Journal of Trace Elements in Medicine and Biology” Lower hair zinc and copper levels found in Turkish males with hair loss; higher BMI linked to less hair zinc.
49 citations,
December 2017 in “Journal of pharmaceutical and biomedical analysis” The method effectively detects banned substances in urine for sports antidoping.
15 citations,
July 2012 in “Biological trace element research” Higher hair calcium to magnesium ratios and lower chromium levels in hair may indicate insulin resistance in Korean men.
8 citations,
March 2020 in “Metabolites” Finasteride treatment changes urine metabolomics and steroid signatures, potentially monitoring effectiveness but may cause sexual side effects.
7 citations,
February 2021 in “Legal Medicine” Hair analysis showed very high metformin levels in two fatal overdose cases, suggesting it's useful in forensics but sweat may affect results.
823 citations,
February 1998 in “Analytical Chemistry” Method detects finasteride in plasma at very low concentrations.
89 citations,
December 2006 in “Lancet Oncology” Taking 1 mg/day finasteride for hair loss significantly lowers PSA levels in men, which may affect prostate cancer screening.
21 citations,
November 2010 in “Talanta” Researchers developed a reliable method to measure testosterone and epitestosterone in urine for medical and anti-doping use.
18 citations,
July 2009 in “Drug Metabolism and Disposition” Finasteride breakdown products found in bile and urine, helps understand drug safety and effectiveness.
1 citations,
October 2023 in “PloS one” Cosmetic hair treatments can increase hair testosterone levels, while natural hair color does not affect it.
10 citations,
January 2019 in “Journal of Chromatography B” Researchers developed a reliable way to measure hormones in urine, showing that a baldness treatment doesn't change hormone levels.
2 citations,
May 2021 in “Molecules” A new method was created to analyze certain chemicals in the urine of alopecia areata patients, revealing they have higher metanephrine content. This method can also be used for other related diseases.
2 citations,
December 2013 in “Xenobiotica” Finasteride metabolites found in pigs match human studies, making pigs a valid model for human drug research.
2 citations,
November 2019 in “Case reports in women's health” Ovarian vein sampling helped diagnose rare ovarian tumors causing high testosterone, and surgery to remove the tumors lowered the testosterone levels.
July 2023 in “Drug testing and analysis (Print)” Homemade hair treatments can significantly lower drug levels in hair, possibly causing false-negative drug tests.
50 citations,
February 2021 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.
7 citations,
November 2022 in “Toxics” The method accurately measures 19 steroid hormones in human blood and urine using a small sample and is suitable for large-scale monitoring.
3 citations,
May 1990 in “Journal of Steroid Biochemistry” Some women with excess hair growth have a hormone condition that can't be diagnosed by blood or urine tests alone.
June 2020 in “Authorea (Authorea)” First-time mothers had higher stress hormone levels in late pregnancy than mothers who had given birth before.
19 citations,
September 2020 in “General and comparative endocrinology” Hair cortisol is a reliable stress indicator in cattle but may not be valid for pigs.
1 citations,
January 2023 in “International journal of all research education and scientific methods” Hair analysis is better than urine and blood for detecting past drug use.