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This article reviews pathologic mechanisms causing hair changes in women on hormonal contraceptives or pregnant and reports no new study results; hormonal effects on the hair cycle stages are suggested.

This study found that during pregnancy, dairy cattle experienced an increase in body hair diameter and weight; however, after giving birth, the hair weight decreased.

In this study, females with hirsutism showed higher levels of certain androgens and reported more frequent symptoms such as infertility and increased skin greasiness compared to those without hirsutism.

The document explains hair growth, hair loss types, and other hair-related terms.

This study found that a mutation causing Stormorken syndrome in mice led to skeletal abnormalities and unusual hair growth, showcasing the STIM1 R304W protein’s role in bone development and cell fate.

Psoriasis treatment may affect body hair growth, with a complex relationship between skin and hair growth mechanisms.

In this study of immature male albino rats on a vitamin B12-deficient diet, vitamin B12 supplementation improved body, hair, and thymus growth more effectively than aureomycin when countering the negative effects of cortisone.

In this in vitro study, niacinamide was found not to stimulate VEGF synthesis across a wide range of doses.

In this study, elevated prolactin and DHEA-S levels along with reduced SBP were observed in fertile non-obese women with moderate body hair compared to controls, and ethynylestradiol plus desogestrel or cyproterone acetate treatment improved clinical outcomes by increasing SBP.

This study found that G protein-coupled estrogen receptor enhances melanin synthesis in melanoma cells through cAMP-PKA-MITF-TYR signaling, suggesting its potential as a drug target for chloasma treatment.

Taking finasteride daily can effectively and safely increase hair density and thickness for women with hair loss.

This article reviews the skin effects of anabolic-androgenic steroid use in athletes but reports no clinical results.

This study found that the prevalence of PCOS among adolescent and young girls in India was 7.21%, with dysmenorrhea and acne being common symptoms.

In this study, increased protein intake during modified fasting nearly eliminated hair loss observed in patients with significant weight loss and negative nitrogen balance.

In this study, female-to-male transsexuals treated with long-acting testosterone undecanoate experienced an increase in lean mass but no change in fat mass or bone mineral density over 24 months.

This study found that women with PCOS and high BMI exhibited significantly increased hair growth compared to non-PCOS women, suggesting an additive effect of body weight on this phenotype in PCOS.

This review discusses the potential of prostaglandin analogs for hair growth and forms of alopecia, and reports no new clinical results.

In this study, researchers found that overexpression of IGF-1 in transgenic mice stimulated increased vibrissa growth during the first neonatal hair cycle compared to their nontransgenic littermates.

Topical tretinoin may increase beard hair density.

This case report describes a 14-year-old girl with signs of virilization, including increased facial and body hair, deepened voice, and elevated serum testosterone and androstenedione levels.

This study found that certain polymorphisms in EGF and EGFR genes may increase susceptibility to alopecia areata in the Korean population, and these genetic variations could be associated with specific symptoms such as nail involvement and body hair loss.

This study found that testosterone therapy in trans men increased facial and body hair growth while the prevalence and severity of acne peaked at 6 months but were primarily mild after long-term treatment.

This study found that hypothyroidism in women with PCOS significantly increased insulin resistance and obesity, which might worsen metabolic issues and impact conditions like hair loss and infertility.

In this study, the HairCheck device was reported to accurately assess changes in hair density and diameter, suggesting its usefulness in monitoring alopecia progression and treatment response.

This study found that adolescent girls with PCOS experienced earlier thelarche and menarche compared to controls, and the authors suggest these patterns may relate to hyperandrogenism and increased body mass index.

In this animal study, topical diazoxide treatment led to increased hair thickness and follicle growth in bald stumptailed macaques without causing notable systemic side effects.

This study observed that mink dermal collagen fibrils undergo structural changes during the hair cycle, with increased fiber thickness and bundle density as minks grow.

In this study, cyclosporin A treatment significantly increased hair length in nude mice compared to controls, but hair growth reversed after treatment stopped.

This study found that 3% peppermint oil significantly enhanced hair growth in C57BL/6 mice, showing increased dermal thickness, follicle number, and follicle depth compared to other treatments.

This study found that Dansam-Samultang promoted hair growth and increased follicle number and depth in C57BL/6 mice, with effects similar to those of minoxidil.