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Hormone therapy affects hair growth in transgender individuals, with testosterone potentially causing hair loss in trans men and estrogen reducing facial/body hair in trans women; treatment options vary.

Low testosterone and 5α-reductase inhibitors can harm men's metabolic and sexual health; testosterone therapy may help, but discussing 5α-RIs' side effects is important.

Nonclassic congenital adrenal hyperplasia is a genetic disorder causing hormone imbalances, affecting fertility and requiring personalized treatment.

Amenorrhea is when a woman doesn't have periods, with primary amenorrhea starting by age 15 or within five years of breast development, and secondary amenorrhea when periods stop for three months. It affects 3-4% of women not pregnant, breastfeeding, or in menopause, mainly due to polycystic ovary syndrome, hypothalamic amenorrhea, hyperprolactinemia, and ovarian failure.

Adult stem cells are important for tissue repair and have therapeutic potential, but more research is needed to fully use them.

Hair disorders are caused by a complex mix of biology, genetics, hormones, and environmental factors, affecting hair growth and leading to conditions like alopecia.

Wounds heal without scarring in early development but later result in scars, and studying Wnt signaling could help control scarring.

Testosterone therapy seems safe and effective for transgender men with proper care, but more long-term research is needed.

Prenatal stress changes how male and female rats enjoy rewards differently, linked to sex hormones.

Immune cells affect hair growth and could lead to new hair loss treatments.

New drugs for heart disease may be developed from molecules secreted by stem cells.

Injecting platelet-derived growth factors into ovaries may improve IVF outcomes by enhancing egg quality and embryo health.

Different processes create patterns in skin and things like hair and feathers.

Testosterone therapy aims to treat hormone deficiencies and various conditions safely and effectively, but requires careful patient monitoring due to potential side effects.

Cultured dermal papilla cells can regenerate hair follicles and sustain hair growth.

New treatments for low male hormones improved sexual function and mood but had unclear risks, especially for older men.

The pituitary gland functions normally even after losing most SOX2+ stem cells.

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.

Amenorrhea, or the absence of periods, should be evaluated by age 15 or within five years of early breast development, and is most commonly caused by conditions like polycystic ovary syndrome and hypothalamic amenorrhea.

Genetic factors alone might not cause pemphigus vulgaris; other factors like birth complications and puberty may trigger it.

Metformin helps regulate menstrual cycles, induce ovulation, and improve pregnancy outcomes in women with PCOS.

The document concludes that "Dictamnus" has a rich cultural history and potential as a herbal medicine, warranting more research into its effects and safety.

The document concludes that side effects from Smoothened inhibitor drugs for skin cancer are reversible and can be managed with a team approach to maintain quality of life.

FoxN1 overexpression in young mice harms immune cell and skin development.

Propranolol is effective and safe for treating infantile hemangioma, but more research is needed for dosing and monitoring guidelines.

Dermatologists play a key role in identifying and documenting signs of abuse and injury for forensic investigations.

Over 50% of women over 50 experience hair loss, with minoxidil being the only proven effective treatment.

Substances from dental stem cells might help treat hair loss.

Most skin changes during pregnancy are harmless and moles don't significantly change, but many women experience pigmentation changes due to hormones and sun exposure.

Parathyroid hormones are important for hair growth, but their use in treating hair loss from chemotherapy is still uncertain.