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Topical treatments can deliver active molecules to skin stem cells, potentially helping treat skin and hair disorders, including skin cancers and hair loss.

Finasteride affects offspring's antioxidant enzymes in epididymis, possibly disrupting sperm maturation.

Platelet-rich plasma may improve hair density in androgenetic alopecia patients.

Late diagnosis of congenital adrenal hyperplasia can greatly affect physical development, gender identity, and sexual health.

A protein called FERONIA helps control root hair growth in response to cold and low nitrogen by activating nutrient-sensing pathways in a plant called Arabidopsis.

Stress is likely causing hair loss in Formosan macaques.

The chapter explains the causes of excessive hair growth and masculinization in women and how to measure hormone levels related to these conditions.

Neuroimaging suggests that treatments targeting brain steroids could help control epilepsy, especially types linked to the menstrual cycle.

Cell transplantation faces challenges in genitourinary reconstruction, but alternative tissue sources and microencapsulation show promise.

Low ferritin levels can indicate iron deficiency as a cause of hair loss.

PCOS affects nearly 25% of female medical and dental students, impacting their academic and social lives.

Neuroactive steroids may affect the risk and treatment of alcohol use disorders.

New treatments and technologies in laser medicine show promise for improving skin conditions, fat reduction, cancer treatment, wound healing, and hair restoration.

Hair loss in Androgenetic alopecia (AGA) is due to altered cell sensitivity to hormones, not increased hormone levels. Hair growth periods shorten over time, causing hair to become thinner and shorter. This is linked to miscommunication between cell pathways in hair follicles. There's also a change in gene expression related to blood vessels and cell growth in balding hair follicles. The exact molecular causes of AGA are still unclear.

PSA could be a marker for hyperandrogenism in women, but more research is needed.

Hair loss caused by longer latent hair cycle and sudden miniaturization, not gradual follicle size reduction.

The document suggests using natural remedies like bloodletting and honey for various health issues but lacks scientific evidence for their effectiveness.

A young Saudi girl with uncontrolled type 1 diabetes and hypothyroidism had two rare conditions, Mauriac syndrome and Van Wyk–Grumbach syndrome.

No single biomarker is reliable enough for diagnosing and assessing SLE.

Cross-section trichometry is an accurate method to measure hair loss and growth.

Certain gene variations may increase the risk of alopecia, and platelet-rich plasma treatment can improve hair density in those with hair loss; a rare case of facial Becker's nevus was linked to uneven beard growth.

Certain gene variations might increase the risk of a hair loss condition in Koreans.

The document concludes that treating skin conditions should include psychological care and a multidisciplinary approach is essential for effective management.

PCOS may have evolved as an advantage in past environments with food scarcity.

Acute telogen effluvium can be resolved by addressing causes, but chronic telogen effluvium is harder to treat.

Copper deficiency is linked to post-COVID-19 hair loss in women.

Reassurance and counseling are key in managing acute telogen effluvium, with supplements possibly offering a placebo effect.

A gene network led by RSL4 is crucial for early root hair growth in response to cold in Arabidopsis thaliana.

Premature graying of hair is linked to vitamin D and B12 deficiencies, thyroid issues, iron imbalance, stress, and lifestyle habits, and affects quality of life.

The research found that measuring androgens in urine can give extra information about body metabolism and is linked to androgen levels in the blood, especially in young girls.