research What Ages Hair?
Hair aging and loss are caused by genetics, hormones, environment, and grooming, with treatments like minoxidil effective for certain types of hair loss.
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research Ovarian and Adrenal Androgens and Their Link to High Human Chorionic Gonadotropin Levels: A Prospective Controlled Study
Women with a certain type of tumor had higher levels of pregnancy hormone and male hormones, which decreased after treatment.
research 5α-Reductase underscores the development of pectoral fin breeding tubercles in zebrafish
The development of breeding tubercles in male zebrafish relies on a specific enzyme that processes hormones.
research Polygonum multiflorum extract support hair growth by elongating anagen phase and abrogating the effect of androgen in cultured human dermal papilla cells
Polygonum multiflorum extract helps hair grow longer and fights the effects of hormones that cause hair loss.
research Pathways to inflammation: acne pathophysiology
Acne is caused by genetics, diet, hormones, and bacteria, with treatments not yet curative.
research Idiopathic Hirsutism*
The document concludes that more research is needed to understand excessive hair growth in women with normal hormone levels and regular ovulation.
research Intravaginal Testosterone Improves Sexual Satisfaction and Vaginal Symptoms Associated With Aromatase Inhibitors
Intravaginal testosterone cream improves sexual satisfaction and reduces vaginal discomfort in postmenopausal women on breast cancer treatment without affecting hormone levels.
research Hedonic sensitivity to natural rewards is affected by prenatal stress in a sex-dependent manner
Prenatal stress changes how male and female rats enjoy rewards differently, linked to sex hormones.
research The mRNA for Protease Nexin-1 is Expressed in Human Dermal Papilla Cells and its Level is Affected by Androgen
Human skin cells contain Protease Nexin-1, and male hormones can decrease its levels, potentially affecting hair growth.
research 5α-Reductase isozymes and aromatase mRNA levels in plucked hair from young women with female pattern hair loss
Higher enzyme levels found in women with hair loss, suggesting hormone imbalance.
research Characterization and causal investigations of an alopecia syndrome in Australian fur seals (Arctocephalus pusillus doriferus)
Young female Australian fur seals are losing hair due to low tyrosine and zinc levels and high pollution exposure.
research Hirsutism
Hirsutism is too much hair growth in women like the pattern in men, often caused by high male hormones, and can be treated with hormone control and hair removal methods.
research Pharmacokinetics of 2 Novel Formulations of Modified-Release Oral Testosterone Alone and With Finasteride in Normal Men With Experimental Hypogonadism
New oral testosterone formulations show potential for safer, effective hormone replacement in men with low testosterone.
research Disorders of hair
The document concludes that hair analysis is not good for assessing nutrition but can detect long-term heavy metal exposure.
research 3D Modelling for Solar Erythemal UV Protection Provided by Human Hair
Human hair provides more UV protection when aligned and at higher angles, but the scalp still gets UV exposure.
research 105 Spironolactone May be a Cause of Hormonally Associated Vestibulodynia and Female Genital Arousal Disorder
Spironolactone may cause sexual pain and arousal issues in women, which can improve after stopping the drug and using hormone cream.
research Plain language summaries
Doctors need more training in skin cancer screening, a new treatment is effective for a skin condition, better diagnosis methods for skin cancer are available, hair loss in women may be linked to hormones and cholesterol, certain skin care products might cause hair loss, babies' skin gets weaker after birth, and a gene mutation might be linked to eczema.
research The Neurobiology of Sexual Function
Testosterone is important for men's sexual function, may help some women's sexual desire, while other hormones and neurotransmitters also play complex roles in sexual behavior.
research Red Ginseng Extract Promotes the Hair Growth in Cultured Human Hair Follicles
Red Ginseng Extract may help human hair grow by activating growth pathways and blocking negative effects of certain hormones.
research In vitro methodology, hormonal and nutritional effects and fibre production in isolated ovine and caprine anagen hair follicles
Angora goat hair grows faster and produces more protein than cashmere goat hair, and certain hormones and nutrients positively affect hair growth and protein synthesis.
research Sex differences in SARS-CoV-2 infection rates and the potential link to prostate cancer
Men, especially older ones with health issues like prostate cancer, may have worse COVID-19 outcomes and could benefit from therapies targeting male hormones.
research What causes hidradenitis suppurativa ?—15 years after
Hidradenitis suppurativa is caused by genetic factors, inflammation, bacteria, hormones, and lifestyle factors like obesity and smoking.
research Dermatophytosis in companion animals: A review
Ringworm in pets is influenced by fungi type, immune status, and stress hormones.
research Recent advances in the molecular mechanisms determining tissue sensitivity to glucocorticoids: novel mutations, circadian rhythm and ligand-induced repression of the human glucocorticoid receptor
New findings explain how genetic changes, body clocks, and certain molecules affect tissue response to stress hormones.
research Prevalence of androgenic alopecia in patients with polycystic ovary syndrome and characterization of associated clinical and biochemical features
Women with PCOS often have hair loss, which is linked to acne or excess body hair but not to worse hormone or metabolic issues.
research Diagnostic Criteria for Polycystic Ovarian Syndrome
To diagnose Polycystic Ovarian Syndrome, two out of three signs—irregular periods, high male hormone levels, or cysts on the ovaries—are needed.
research Anatomy and Function of the Skin
The skin is the largest organ, protecting the body, regulating temperature, and producing hormones.
research Graphene oxide and indole-3-acetic acid cotreatment regulates the root growth of Brassica napus L. via multiple phytohormone pathways
Graphene oxide and indole-3-acetic acid together inhibit root growth in Brassica napus L. by affecting multiple plant hormone pathways.
research Issues in transgender dermatology: A systematic review of the literature
The review highlights the need for more research on transgender dermatology, the role of dermatologists in gender affirmation, and the effects of hormone therapy on skin and hair.
research Bisphenol-A antagonizes the rapidly modulating effect of DHT on spinogenesis and long-term potentiation of hippocampal neurons
Bisphenol-A (BPA) increases connections between brain cells and boosts their activity, but it blocks the effects of a male hormone on brain cell plasticity.