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A specific gene mutation is linked to a hereditary form of dystonia that responds well to certain medications.

Finasteride significantly reduced tics and obsessive-compulsive symptoms in Tourette syndrome patients.

Finasteride may help reduce tic severity in male Tourette syndrome patients.

A woman's unique dementia was misdiagnosed, a genetic mutation increases Parkinson's risk with age, and finasteride may help with Tourette syndrome.

This study assessed the potential for Ocean Thermal Energy Conversion power in Fiji, finding higher power output and efficiency during summer due to greater temperature differences between surface and deep sea waters.

This study found that the yeast androgen screen (YAS) could detect the activity of methyltestosterone in urine for a longer period than classical GC/MS, potentially identifying long-lasting metabolites.

This article discusses using hair analysis to monitor drug use but does not present new research findings.

This study found that amphetamine was preferentially incorporated into black hair compared to white hair in Long-Evans rats, suggesting a role for drug basicity in hair color-based drug incorporation.

The researchers found that using hair analysis to detect past use of cannabinoids or amphetamines in individuals with psychosis was limited by individual variations in hair growth rates, affecting the method's reliability.

Neurosteroids may help metyrapone reduce cocaine addiction.

This study found that Minoxidil can interfere with hair drug analysis for cocaine by producing peaks that obscure the detection of cocaine and its metabolites in chromatograms.

This study describes a fast LC/MS/MS method for detecting various synthetic drugs in urine, meeting World Anti-Doping Agency performance limits.

This study found that neuroactive steroids like DHEA and pregnenolone influence cocaine-induced appetence in mice through their interaction with the ς₁ receptor, suggesting a role in individual vulnerability to addiction.

This study reports that a new DART-HRMS method can effectively analyze intact hair for drug use timelines, with cocaine detection aligning with forensic standards and identifying multiple drugs from high-resolution data.

This study used micro-segmental hair analysis to identify the day of drug intake and suggested differing uptake mechanisms for co-administered drugs based on their properties.

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.

This study found that neuroactive steroids, through their interaction with the sigma1 receptor, influence the acquisition of cocaine's rewarding effects in mice, suggesting a role in drug addiction vulnerability.

This case report suggests that methylphenidate may lead to hair loss in some patients, observable when stopping and starting the medication.

This article discusses reported cases of diffuse scalp hair thinning in women using amphetamines and suggests no clear cause-effect relationship with amphetamine use based on available evidence.

This study observed that prolonged water or soil exposure can lead to significant reductions in drug levels in bleached and natural hair samples.

This study hypothesized that finasteride administration may increase stress-induced amphetamine locomotor sensitization due to its impact on brain reward systems involving the neurosteroid allopregnanolone.

This study used a zebrafish model and advanced mass spectrometry to identify 11 metabolites of epristeride, revealing significant effects on purine metabolism and aromatic amino acid biosynthesis, which may aid in developing anti-doping detection methods.

This study presents a rapid method for detecting multiple xenobiotics in urine, effectively identifying 45 compounds banned in sports with detection limits below WADA's performance levels.

This study improved a hair analysis method to estimate the days of continuous ingestion of hay-fever medicines, with an average error of about 2 days from actual ingestion.

This study found that analyzing hair samples in young children for drug exposure can indicate environmental drug exposure or in-utero exposure, but cannot definitively confirm deliberate drug administration.

This study found that cocaine disrupted the relationship between certain brain androgen levels and sexual behavior in male rats, with dose-dependent effects on testosterone metabolism.

This study found that megestrol acetate increases the proliferation, migration, and adipogenic differentiation of adipose-derived stem cells through glucocorticoid receptor phosphorylation.

This source offers an in-depth review of Methandrostenolone, examining its pharmacology, performance-enhancing effects, potential health risks, and legal status in various countries, while emphasizing the scientific evidence surrounding its use and misuse.

This study reported that chronic use of performance-enhancing drugs significantly altered users' personalities and physical attributes, raising concerns about whether the perceived benefits outweigh the costs.