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Hormones like estrogen, testosterone, progesterone, and prolactin play complex roles in female sexual function, with testosterone potentially improving sexual desire, arousal, and satisfaction. However, more research is needed to establish safe and effective hormone treatments for female sexual dysfunction.

Hair ages due to genetics and environmental factors, leading to graying and thinning, with treatments available for some conditions.

A genetic change in the EDAR gene causes the unique hair traits found in East Asians.

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

Using nanostructured lipid carriers to deliver spironolactone could improve treatment for hair loss.

Fetal skin heals without scarring due to unique cells and processes not present in adult skin healing.

New antifungal treatments for a children's scalp infection are effective and safe, but it's not decided if they will become the preferred option over the old treatment.

Mice studies show that Protein Phosphatase 2A is crucial for cell growth, development, and disease prevention.

FOXO1 is important for wound healing, but its dysfunction in diabetes can slow the healing process.

Human beard hair medulla contains a unique and complex mix of keratins not found in other human tissues.

To diagnose hair loss, use a systematic approach including history, exams, and tests.

Trichoscopy is a useful non-invasive method for diagnosing different hair loss conditions.

New methods improve how we test hair growth treatments, but challenges like slow hair changes and high costs remain.

Diazoxide, minoxidil sulphate, and cromakalim relax rat blood vessels by opening K+ channels, with some differences in their actions.

Circadian rhythms are crucial for stem cell function and tissue repair, and understanding them may improve aging and regeneration treatments.

Hair mineral analysis might help diagnose diseases early, but standard methods are needed.

Having enough iron improves the effectiveness of a specific hair loss treatment in women.

Effective hair loss treatment in women requires correct diagnosis and can include medications like minoxidil, antiandrogens, and treatments for underlying conditions like PCOS.

White lupin uses specific genes to grow root hairs and access phosphorus when it's scarce.

Stress hormone corticosterone blocks a growth factor to slow down hair stem cell activity and hair growth.

Muscles and nerves that cause goosebumps also help control hair growth.

Some African American women's central scalp hair loss is linked to genetics and past fungal scalp infections, with more research needed on other causes.

The circadian clock influences the behavior and regeneration of stem cells in the body.

Cells in hair follicles help create fat cells in the skin by releasing a protein called Sonic Hedgehog.

Lasers and light sources can effectively remove hair, work best on fair skin with dark hair, and usually need multiple treatments.

Mice lacking a key DNA methylation enzyme in skin cells have a lower chance of activating stem cells necessary for hair growth, leading to progressive hair loss.

Careful planning and patient counseling can lead to excellent hair transplant results, often in one or two sessions.

Trichoscopy is a quick, cost-effective tool for diagnosing different hair loss conditions.

The conclusion is that Fgf18 and Tgf-ß signaling could be targeted for hair loss treatments.

Hormones and genetics affect hair growth and patterns, with some changes reversible and others not.