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Hormone levels in hair change during pregnancy, with progesterone increasing significantly compared to non-pregnant women.

Melatonin helps goat hair stem cells grow and maintain their ability to become different cell types.

Blocking certain immune signals can reduce skin damage from radiation therapy.

Melatonin may protect inner ear cells from damage by reducing cell death and oxidative stress, potentially treating sudden hearing loss.

Fat tissue under the skin affects hair growth and aging; reducing its inflammation may help treat hair loss.

Melatonin may inhibit melanoma growth and has potential as a cancer therapy aid, but its effects on human skin pigmentation need more research.

A certain mutation in the fetal alpha 5-reductase gene is linked to a higher risk of late miscarriage.

Autophagy helps control skin inflammation and cancer responses and regulates hair growth by affecting stem cell activity.

Melatonin, the sleep hormone, can help treat skin conditions like dermatitis, hyperpigmentation, and scalp disorders, and may also aid in skin aging prevention and regeneration. However, it's not recommended for asthma due to its pro-inflammatory effect.

Certain genes related to sulfur metabolism are more active during the growth phase of Cashmere goat wool, and melatonin might help this process.

Enzymes are classified into six types and are essential for many biological processes, with only a few targeted by drugs.

Multi-omics techniques help understand the molecular causes of androgenetic alopecia.

Melatonin improved secondary hair growth in goats but didn't affect primary hair density or litter size.

Melatonin helps hair grow by activating the RORα receptor in goats.

Giving melatonin to sheep before the non-breeding season can improve their chances of reproducing in northwest Mexico.

Short photoperiods improve cashmere growth and quality in goats by changing hormone levels and gene expression.

Melatonin helps grow more secondary hair follicles in young goats, improving cashmere production.

Melatonin improves cashmere goat hair quality by increasing follicles and reducing skin aging.

Juglone from walnut extracts may help repair damaged hair.

Testosterone therapy seems safe for postmenopausal women for a few years, but more research is needed for long-term effects.

The Endocrine Society advised against routine testosterone therapy for women, citing a need for more research on long-term safety and a clear definition of androgen deficiency.

Cepharanthine, a Japanese hair loss drug, shows promise as a COVID-19 treatment but needs more testing.

Brain hormones significantly affect hair color and could potentially be used to prevent or reverse grey hair.

The method effectively detects banned substances in urine for sports antidoping.

Valproic Acid could potentially be used to treat immune-related conditions due to its ability to modify immune cell functions.

Ancient Chinese goats evolved cashmere-producing traits due to selective breeding, particularly in genes affecting hair growth.

Fine wool sheep have more genes for wool quality, while coarse wool sheep have more for skin and muscle traits.

Hormonal changes and psychological issues can cause sexual dysfunction in postmenopausal women. Behavioral therapy is recommended first, with hormone replacement helping some symptoms but not libido. Testosterone can improve libido, but its effects on overall sexual function are unclear. Emotional and relationship issues should be addressed before using medication, and the benefits and risks of testosterone supplementation should be considered.

Testosterone therapy can improve sexual function in women but long-term safety is unclear.

Androgen replacement therapy can improve libido and mood in women with severe androgen deficiency, but more research is needed on its long-term safety.