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This article discusses the use of hair analysis in addiction cases, highlighting its value in providing critical information about substance use patterns, and presents no new experimental results.

This study observed that injecting mice with α-MSH resulted in black hair regrowth in shaved and plucked areas, suggesting a potential link to the agent darkening hair in animals with a specific pituitary tumor.

This study found that hair samples from chronic tramadol and cannabis users showed positive drug presence for 3-4 months and 6-7 months, respectively, after discontinuation.

This study found that low-dose methotrexate significantly reduced the steroid requirement in subjects with corticosteroid-requiring asthma without altering their clinical status or causing significant complications.

In this study, human scalp hair grafted onto nude mice accurately reflected methyl mercury exposure, demonstrating its potential as a research model for monitoring mercury incorporation into human hair.

This study concluded that the best approach for detecting Androsta-1,4,6-triene-3,17-dione administration in horses is monitoring the metabolites M1b or M4 in urine, detectable up to 77 hours post-administration.

This study developed a rapid method using advanced chromatography and mass spectrometry to detect hair-growth enhancing compounds, discovering synthetic drugs in about 21% of tested supplements.

This study describes a case of a 35-year-old woman who developed symptoms of hyperandrogenism and disrupted steroidogenesis due to chronic use of electronic cigarettes containing compounds similar to etomidate, despite no genetic mutation indicating 11β-hydroxylase deficiency.

This study developed and validated a highly sensitive method using ultrahigh-performance liquid chromatography with tandem mass spectrometry for accurately analyzing nine neuroactive steroids in human serum, which could enhance understanding of disease pathophysiology and support new biomarker and therapeutic discovery.

This study found that methadone use in HCV-infected male veterans was associated with a significant increase in the risk of advanced liver fibrosis.

In this study on male rats, parachlorophenylalanine treatment induced hypersexual behavior and hair loss linked to increased social interaction but had no effect on brain serotonin when testosterone was used instead.

This study developed a faster method to analyze fatty acid ethyl esters in human hair, potentially distinguishing alcohol consumption levels more efficiently.

This study found that the combination of MT-DADMe-ImmA and MTA selectively induced apoptosis in head and neck squamous cell carcinoma cell lines FaDu and Cal27, but not in normal fibroblasts or MTAP-deficient breast cancer cells.

This study identified a new minoxidil analogue called triaminodil in an illegal hair-growth supplement, but no data on its chemical, toxicological, or pharmacological properties are available yet.

This study found that opiate use was particularly associated with personality and behavioral disorders, while cannabis and legal highs were linked to psychotic disorders, and legal highs with schizophrenia.

This article discusses hair follicle testing as an alternative method for drug abuse screening but reports no new research findings.

Homemade hair treatments can significantly lower drug levels in hair, possibly causing false-negative drug tests.

In this study, ethanol was found to enhance GABAergic neurosteroid production and inhibit long-term potentiation in rat hippocampal slices via unblocked NMDA receptor activation, effects reversible by specific inhibitors.

This study found that brindled mottled mice, a model of Kinky hair syndrome, exhibited abnormal development of catecholamine neurons, with increased TH-immunoreactive neurons and altered neurochemical profiles compared to controls.

In this study, transdermal application of anabolic steroids demonstrated rapid and extended detectability in urine, suggesting potential implications for doping control considerations.

This study found that copper injections increased dopamine-β-hydroxylase activity in the brains of mottled mice, an animal model for Menkes' syndrome.

This review discusses the mechanisms, uses, and side effects of conventional synthetic DMARDs, particularly methotrexate, for rheumatoid arthritis, but reports no new clinical findings.

A new, quick method accurately detects minoxidil in drugs and cosmetics.

This study found that after application of a testosterone cream containing 17α-methyltestosterone and testosterone propionate, these compounds could be detected in dried blood spots up to 97 hours post-application, potentially leading to sample contamination during fingertip puncture.

This case report highlights the potential for Kratom misuse leading to addiction and significant health risks, indicating a need for more detailed human studies on its effects and management strategies.

Food deprivation increases MST enzyme in the brain, possibly affecting energy balance.

This study developed a validated method to detect prohibited drugs in dietary supplements, finding minoxidil, triaminodil, and finasteride in some samples.

This study developed and validated a method using UPLC-PDA and LC-Q-TOF/MS to identify and measure prohibited substances in dietary supplements, showing reliable detection of compounds like minoxidil and finasteride.

This study models the pathways of nandrolone and its metabolites in the body and suggests methods to counteract finasteride's role in enabling PED users to cheat drug tests.

In this study, the researchers report that a modified epimorphin-derived peptide shows potential for hair follicle regeneration, especially when used with 1% minoxidil in mice.