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Androgenetic alopecia, or hair loss, is caused by genetic factors and hormones, with different mechanisms in men and women, and can be linked to insulin resistance and polycystic ovary syndrome.

The conclusion is that proper signaling is crucial for hair growth and development, and errors can lead to cancer or hair loss.

Male and female skin differ in many ways, which could lead to gender-specific skin treatments.

Experts recommend thorough medical, sexual, and psychosocial assessments for women's sexual dysfunctions, and suggest individualized treatment plans with regular check-ups. They also mention potential use of estrogen and androgen therapy, but with caution due to safety concerns.

Birds can regenerate inner ear cells using specific gene pathways, unlike mammals.

Pregnancy causes skin changes like darkening, hair thickening, nail changes, and increased risk of skin growths, most of which usually resolve after birth.

Some hair loss can be treated, especially in women due to nutrition, but some types remain untreatable.

Men with coeliac disease may have hormone imbalances that could affect sexual function, but these can improve with better gut health.

Red ginseng may improve immunity, fatigue, memory, blood circulation, and menopausal symptoms, and is generally safe to consume.

Oral contraceptives and antiandrogens are effective for treating hirsutism, with antiandrogens being the most effective.

Fulvestrant is a well-tolerated new treatment for advanced breast cancer that may delay chemotherapy.

Estrone and 17β-estradiol levels in hair differ between males and females.

Soy oil and genistein reduce hair loss risk in mice.

Oral contraceptives help treat hyperandrogenic disorders, improving symptoms like excessive hair and acne.

Testosterone affects vascular cells directly without converting to estradiol.

Hair loss in women may have causes other than hormones.

Frontal fibrosing alopecia mainly affects postmenopausal women and may be linked to thyroid hormones.

Current murine models need improvement for better human wound healing research translation.

Hormone therapy for excessive hair growth is as good with GnRHa as with high-dose CPA, but GnRHa has longer-lasting results.

Cortisol increases a specific protein in bone cells, which may help explain its negative effects on bone.

Sex hormones may affect COVID-19 severity, with men often faring worse, and targeting related pathways could offer treatment options.

Trilostane treatment led to full hair regrowth in most Pomeranians and all miniature poodles with alopecia X.

Cyproterone acetate was effective in treating acne, hirsutism, and alopecia with few side effects.

Finasteride and levofloxacin effectively reduce chronic bacterial prostatitis severity.

Oestrogen and thyrotropin-releasing hormone affect prolactin and its receptor in human skin and hair, suggesting new treatment options for related conditions.

The document concludes that treating PCOS requires a combination of drugs to manage reproductive and metabolic symptoms, with more research needed on combination therapies.

Most skin changes during pregnancy go away after giving birth.

Zebrafish helped find new ways to prevent drug-induced hair cell death and potential treatments for hearing loss.

Buserelin safely and effectively suppresses early puberty, potentially improving final height.

The document explains hair biology, the causes of hair loss, and reviews various hair loss treatments.