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Body hair can be used to test for alcohol intake, especially in men.

The method can measure multiple steroids in human hair to study long-term steroid metabolism, especially in newborns and children.

Women with lupus experienced non-scarring hair loss with fewer hair follicles, and the test for lupus in hair was not helpful.

Veterinarians could test positive for ketamine from work exposure, not just substance abuse.

The article concludes that understanding the causes of hair loss and using continuous treatments like minoxidil and finasteride can help manage it, despite potential side effects.

The conclusion is that new plant-based treatments for hair loss may work by targeting certain enzymes.

Topical calcipotriol successfully treated hair loss in three patients with Alopecia Totalis.

Hair analysis can somewhat track past testosterone levels but is influenced by factors like hair washing, growth rate, sex, and hair color.

The new test can measure very small amounts of testosterone in hair, and grinding the hair up first gives more accurate results.

Segmental hair analysis can track testosterone over time but needs adjustments for sex, hair color, and washing frequency.

Human hair shows promise for non-invasive medical testing, but more research is needed to standardize its use.

Cosmetic hair treatments can increase hair testosterone levels, while natural hair color does not affect it.

Ancient hair can preserve hormones, revealing health and fertility insights.

Zolpidem shows up in hair from the top back of the head after one dose and fades over time, suggesting it gets into hair through blood and sweat.

Hormone therapy affects hair growth in transgender individuals, with testosterone potentially causing hair loss in trans men and estrogen reducing facial/body hair in trans women; treatment options vary.

Hormone levels in hair change during pregnancy, with progesterone increasing significantly compared to non-pregnant women.

The document explains the causes, types, diagnosis, and treatments of hair loss, and its psychological impact, especially on women.

Chronic scalp pain in trichodynia involves both body-wide and localized increased pain sensitivity.

Wait 4-5 weeks after drug use before hair testing and cut hair into three segments to confirm single drug exposure.

Measuring reproductive hormones in brown bear hair could help identify their sex and reproductive state, but better collection methods or lab techniques are needed.

Male pattern baldness may be caused by factors like poor blood circulation, scalp tension, stress, and hormonal imbalances, but the exact causes are still unclear.

Forensic hair analysis for drugs is now more reliable and accurate.

Hair analysis can detect cocaine use but doesn't accurately show the amount or timing of use.

Finasteride effectively treats male hair loss, improving growth and density.

Tramadol and THC-COOH can be detected in hair for several months after stopping use.

EtG in hair can help detect alcohol use but may be inaccurate in people with certain health conditions.

Human hair varies widely and should be classified by curl type rather than race.

The article concludes that different types of hair loss require specific treatments and psychological support is important.

Hair elemental analysis could be useful for health and exposure assessment but requires more standardization and research.

Hair analysis is better than urine and blood for detecting past drug use.