research Incorporation of Isotopically Labeled Cocaine and Metabolites into Human Hair: Dose-Response Relationships
Hair analysis can detect cocaine use but doesn't accurately show the amount or timing of use.
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research Androgen Profile Through Life in Women With Polycystic Ovary Syndrome: A Nordic Multicenter Collaboration Study
Women with PCOS have higher androgen levels that decrease with age but are still higher than in women without PCOS.
research Analytical Chemistry Studying Historical Pharmaceuticals and Health Care Formulations
Analytical chemistry helps understand the makeup and use of ancient medicines, but it's complex and challenging.
research Comparative Proteomic Analysis in Scar-Free Skin Regeneration in Acomys Cahirinus and Scarring Mus Musculus
The African spiny mouse heals skin without scarring due to different protein activity compared to the common house mouse, which heals with scarring.
research Androgens in Women: Critical Evaluation of Methods for Their Determination in Diagnosing Endocrine Disorders
The conclusion is that standardizing testosterone measurement methods is essential for better diagnosis accuracy in women.
research Omics for Precious Rare Biosamples: Characterization of Ancient Human Hair by a Proteomic Approach
The study developed a method to analyze ancient hair proteins using very small samples.
research LC/MS Analysis of Stratum Corneum Lipids: Ceramide Profiling and Discovery
A new, quick method was developed to analyze skin lipids, discovering a new ceramide subclass.
research Effect of Testosterone Supplementation With and Without a Dual 5α-Reductase Inhibitor on Fat-Free Mass in Men With Suppressed Testosterone Production
Testosterone's muscle-building effects do not require its conversion to DHT.
research Hyperandrogenemia in Women with Polycystic Ovary Syndrome: Prevalence, Characteristics, and Association with Body Mass Index
High levels of male hormones are very common in women with PCOS and affect their metabolism differently depending on their weight.
research HPLC-ESI-MSn Characterization of Phenolic Compounds, Terpenoid Saponins, and Other Minor Compounds in Bituminaria Bituminosa
Researchers found over 40 compounds in Bituminaria bituminosa, including many flavonoids and some with potential for medical and hair care uses.
research American Association of Clinical Endocrinologists, American College of Endocrinology, and Androgen Excess and PCOS Society Disease State Clinical Review: Guide to the Best Practices in the Evaluation and Treatment of Polycystic Ovary Syndrome - Part 1
The guide recommends specific methods for diagnosing PCOS and various treatments for its symptoms, while considering the health impacts on adolescents.
research Physical Changes, Laboratory Parameters, and Bone Mineral Density During Testosterone Treatment in Adolescents with Gender Dysphoria
Testosterone treatment effectively causes male physical development in transgender male adolescents but may lead to side effects like acne, higher BMI and blood pressure, lower good cholesterol, and decreased bone density.
research A Non-Invasive Hair Test to Determine Vitamin D3 Levels
The hair test for vitamin D could be a useful alternative to blood tests, providing a longer-term vitamin D status, but more research is needed.
research Analytical Techniques for the Quantification of Finasteride - A Review
Different methods accurately measure Finasteride in medicines and body fluids.
research Hyperandrogenism and Cardiometabolic Risk in Pre- and Postmenopausal Women: What Is the Evidence?
Hyperandrogenism increases heart disease risk in premenopausal women, but this risk is linked to obesity in postmenopausal women.
research Aromatase Deficiency in a Male Patient: Case Report and Literature Review
A male with aromatase deficiency improved bone health with estradiol treatment.
research Cross-Sex Hormone Therapy in Trans Persons Is Safe and Effective at Short-Term Follow-Up: Results from the European Network for the Investigation of Gender Incongruence
Hormone therapy for trans individuals is effective and generally safe in the short term.
research Polycystic Ovary Syndrome, Androgen Excess, and the Risk of Nonalcoholic Fatty Liver Disease in Women: A Longitudinal Study Based on a United Kingdom Primary Care Database
Women with PCOS are more than twice as likely to develop nonalcoholic fatty liver disease.
research Defining Hyperandrogenaemia According to the Free Androgen Index in Chinese Women: A Cross-Sectional Study
FAI values above 6.4 may suggest high androgen levels and increased metabolic risks in Chinese women of reproductive age.
research The Effect of Dietary Modulation of Sulfur Amino Acids on Cystathionine Beta Synthase–Deficient Mice
Changing the diet of mice lacking the enzyme CBS can affect symptoms related to the genetic condition.
research Nongenomic Effects of 1α,25-Dihydroxyvitamin D3 on Cartilage Formation Deduced from Comparisons Between Cyp27b1 and Vdr Knockout Mice
1α,25-dihydroxyvitamin D3 directly affects cartilage growth and development.
research Androgen Profile in Chinese Women with Polycystic Ovary Syndrome in Their Reproductive Years
Chinese women with PCOS have higher androgen levels, which change with age and weight.
research An Adolescent Girl with Coexisting Ovarian Mature Cystic Teratoma and HAIR-AN Syndrome, an Extreme Subtype of Polycystic Ovarian Syndrome
A teenage girl had both a rare ovarian tumor and a severe form of polycystic ovarian syndrome.
research Putative Role for Insulin Resistance in Depression Risk in Polycystic Ovary Syndrome
Insulin resistance is significantly linked to a higher risk of depression in women with PCOS.
research Androgens in Postmenopausal Women
Testosterone in older women can increase bone density, muscle mass, fat mass, improve memory, and boost libido, but may cause nipple color changes.
research Serum Dihydrotestosterone Levels Are Associated With Adverse Myocardial Remodeling in Patients With Severe Aortic Valve Stenosis Before and After Aortic Valve Replacement
Higher DHT levels are linked to worse heart changes in severe aortic valve stenosis patients.
research Vitamin D Status Assessment: Lack of Correlation Between Serum and Hair 25-Hydroxycholecalciferol Levels in Healthy Young Adults
Vitamin D levels in hair don't match those in blood, so hair isn't a reliable indicator of Vitamin D status.
research Iron Plays a Certain Role in Patterned Hair Loss
Iron deficiency may contribute to hair loss.
research Bioequivalence Study of Finasteride
Finasteride's two formulations absorb similarly, showing bioequivalence.
research Structural Analysis of Curly and Straight Human Hair Fibers by Scanning Microbeam SAXS
Curly and straight hair differ in how their internal fibers are arranged.