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Genetics and hormones play a role in male and female hair loss, but more research is needed to fully understand it.

DHEA stimulates skin oil glands and could help postmenopausal women, with potential for acne and excessive hair growth treatments.

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

Estrogen receptor α controls hair growth cycles and skin thickness in male mice.

Sex steroids influence skin appendage function and neoplasm development, with changes in AR and ERalpha in certain gland neoplasms.

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

Hormones and their receptors, especially androgens, play a key role in hair growth and disorders like baldness.

Testosterone replacement may improve sexual desire and bone health in women with low androgen levels, but more research is needed on its long-term safety.

Men are more likely to get infectious skin diseases, while women are more prone to autoimmune and pigment-related skin conditions, influenced by biological and environmental factors.

Testosterone therapy can help improve sexual desire and function in postmenopausal women but may cause side effects and is not FDA-approved for this use.

Menopause significantly reduces skin collagen, leading to thinner, less elastic skin, and hormone replacement may help but requires careful consideration.

The research found that polycystic ovary syndrome (PCOS) has two distinct types, with one having more severe hormone and insulin issues.

Hormones, nutrition, and seasonal changes regulate hair growth cycles, with androgens extending growth phases and factors like aging and malnutrition affecting hair loss and thinning.

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

Metformin taken during pregnancy increases SHBG in newborns but doesn't change other hormone levels in mothers or babies.

Some hormone-related drugs may protect brain cells in Parkinson's disease differently in men and women.

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

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.

Testosterone therapy may slightly improve sexual function in postmenopausal women, but its long-term safety is unknown.

Oral retinoids are effective for treating severe skin disorders but have reversible side effects and risks for pregnant women.

Steroids, particularly estrogens and 5α-reductase inhibitors, affect blood vessel-related hair growth processes in hair follicle cells.

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

Women generally handle heart enlargement better than men, but it's riskier for them if it occurs; hormones like estrogen offer some protection.

Menopausal women have higher androgen levels, which can cause symptoms like facial hair growth and low sexual desire.

Common Black hair care products may affect hormone levels and potentially impact health, especially in reproductive and metabolic areas.

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

Cross-sex hormone therapy is important for managing gender dysphoria and requires careful monitoring and healthcare provider education.

The study created a test that found hormonal and toxic effects in plant and fungal extracts using prostate cancer cells.

The document concludes that diagnosing PCOS in teenagers is difficult and should focus on specific hormone levels and menstrual irregularities, while also considering treatment for symptoms and related health issues.