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Stress can cause hair loss by negatively affecting hair follicles and this effect might be reversed with specific treatments.

Rare adrenal cancers that secrete androgens or estrogens have a poor prognosis and are treated primarily with surgery.

Hair follicles produce and respond to melatonin, affecting hair growth and sensitivity to estrogen.

Androgens can both stimulate and cause hair loss, and understanding their effects is key to treating hair disorders.

Hormones significantly affect hair and oil gland function in the skin, and more research is needed on skin-related hormone disorders.

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

Melatonin affects many body functions beyond sleep by interacting with specific receptors in various tissues.

Human skin acts like a hormone-producing organ, making and managing various hormones important for skin and hair health.

Ten miRNAs may play key roles in starting secondary hair follicle development in sheep foetuses.

Growth hormone levels affect hair growth and loss, with too much causing excess hair and too little leading to hair loss.

The JAK/STAT pathway is important in cell processes and disease, and JAK inhibitors are promising for treating related conditions.

Thyrotropin-releasing hormone may help control skin and hair growth and could aid in treating related disorders.

Fadrozole and finasteride change gene expression related to sex hormones and thyroid hormones in frog larvae development.

Estrogens generally inhibit hair growth and improve skin quality, but their exact effects on hair follicles are complex and not fully understood.

Hair follicles on the scalp interact with and respond to the nervous system, influencing their own behavior and growth.

Dehydroepiandrosterone (DHEA) is a prohormone important for producing sex steroids and has potential health benefits.

Raspberry ketone may help grow hair and improve skin elasticity.

Changing light exposure can affect hair growth timing in goats, possibly due to a key gene, CSDC2.

Finasteride slows down motherly behavior in first-time pregnant rats.

A patient grew extra hair on their ears after treatment for testicular cancer, possibly due to hormonal changes or genetics.

New treatments for hair growth disorders are needed due to limited current options and complex hair follicle biology.

Women with PCOS have a higher risk of metabolic syndrome and need lifestyle changes and treatment.

PRP injections increase hair density and satisfaction in androgenetic alopecia patients.

Postpartum depression is linked to changes in brain chemicals, inflammation, stress, and certain genes, and can potentially be identified by markers like specific steroids, serotonin levels, and vitamin D levels.

The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.

The article concludes that the wool follicle is a valuable model for studying tissue interactions and has potential for genetic improvements in wool production.

PCOS starts in adolescence with hormonal issues, leading to adult health problems, and early treatment is crucial.

Sex hormones affect hair and feather growth and may help manage alopecia and hormone-dependent cancers.

The enzymes 5α-reductase and 3α/β-hydroxysteroid oxidoreductase help create brain-active substances from progesterone and testosterone, which could be used for treatment, but more research is needed to ensure their safety and effectiveness.

Understanding hair biology is key to developing better treatments for hair and scalp issues.