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Stress-related substance P may lead to hair loss and negatively affect hair growth.

Stress can stop hair growth in mice, and treatments can reverse this effect.

The article concludes that better understanding gene regulation related to seasonal changes can offer insights into the mechanisms of seasonal timing in mammals.

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.

The document concludes that identifying the cause of amenorrhea is crucial for proper treatment.

Cyproterone acetate treatment is safe and causes mild feminization, which increases with added estrogen.

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.

Hirsute women have lower type 2 17β-HSD enzyme levels, which improve with treatment.

The study found that women with hyperandrogenic PCOS have higher levels of AKT1 and AKT2 proteins in their cells, which may lead to cell dysfunction.

Different hormones affect hair growth and conditions, with some causing hair loss and others promoting it.

Hair growth and health are influenced by stress and hormones.

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.

Hormones and genetics play key roles in male and female baldness, which can affect mental health and may be linked to other health issues.

Dopamine stops hair growth and pigment production in human scalp hair follicles.

Male rats have more somatostatin neurons than females due to testosterone converting to estrogen during early development.

Thyroid hormones and androgens affect gene expression in frog reproductive organs differently between males and females.

The conclusion is that young women with excessive hair growth should be quickly tested for hormonal issues and treated to improve their social well-being.

Chemotherapy causes complex changes in hair follicle cells that can lead to hair loss.

Ficus carica extract improved fertility in rats and may help with certain health conditions.

Women with moderate body hair have higher levels of certain hormones and may benefit from treatment that increases sex hormone-binding protein.

Different amounts of daylight affect cashmere growth in goats by changing the activity of certain genes and molecules.

Certain gene variations in AKT2 are more common in women with PCOS and are linked to higher levels of specific hormones and symptoms.

Women with androgenetic alopecia (hair loss) have normal prostate specific antigen levels but higher testosterone levels.

The conclusion is that accurately identifying the cause of high androgen levels in women with PCOS is crucial and requires specific tests.

Stress may affect hair growth by influencing hair follicle development and could contribute to hair loss.

Hormone imbalances from endocrine diseases can cause various skin conditions that help diagnose and treat these diseases early.

The effects of estrogen on human scalp hair growth are unclear and need more research.

Cyproterone acetate is effective for treating hirsutism and acne but less so for hair loss, with side effects similar to birth control pills.

Human skin can make serotonin and melatonin, which help protect and maintain it.

The document concludes that Rabson-Mendenhall syndrome requires novel treatments for insulin resistance and emphasizes the importance of dental care in affected patients.