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Insulin resistance and obesity are key factors in the development and worsening of polycystic ovary syndrome, and lifestyle changes are important for managing it.

Adding anti-Müllerian hormone to PCOS criteria lowers the number of women diagnosed.

Biomaterials with MSC-derived substances could improve tissue repair and have advantages over direct cell therapy.

Telogen effluvium is a reversible hair loss condition that requires a detailed diagnosis and often resolves on its own.

The document provides a method to classify human hair growth stages using a model with human scalp on mice, aiming to standardize hair research.

Diagnosing PCOS in teenagers is challenging and should use strict criteria to avoid misdiagnosis and unnecessary worry.

Stem cells help heal skin wounds by moving and changing roles, working with other cells, and needing more research on their activation and behavior.

Different types of skin cells play specific roles in development, healing, and cancer.

More dermal papilla cells in hair follicles lead to larger, healthier hair, while fewer cells cause hair thinning and loss.

Androgens can both increase and decrease hair growth in different parts of the body.

Certain cells from hair follicles can create new hair and contribute to hair growth when implanted in mice.

Scientists have found a way to create hair follicles from skin cells of newborn mice, which can grow and cycle naturally when injected into adult mouse skin.

Antiandrogens like flutamide are effective in treating conditions like prostate cancer and hair loss, but there's a need for more potent versions. Understanding their structure can help develop better treatments.

Lecithin organogels could be good for applying drugs to the skin because they are stable, safe, and can improve drug absorption.

Male and female bodies respond differently to stress, influenced by hormones and development stages, with implications for stress-related diseases.

Estrogens can improve skin aging but carry risks; more research is needed on safer treatments.

Fibrinogen/LDL apheresis may improve speech perception in sudden hearing loss, especially for those with high fibrinogen and LDL levels.

Erectile dysfunction is increasingly common in men under 40, with many physical and psychological causes, and various treatment options available.

Bone Morphogenetic Proteins (BMPs) help control skin health, hair growth, and color, and could potentially be used to treat skin and hair disorders.

Lower doses of treatments for hirsutism and acne in PCOS are effective and cause fewer side effects.

Epidermal stem cells are diverse and vary in activity, playing key roles in skin maintenance and repair.

Platelet-rich plasma with a new carrier significantly increases hair thickness without serious side effects.

Low-Level Laser Therapy is effective and safe for hair growth with minimal side effects.

Stem cell niches support, regulate, and coordinate stem cell functions.

Blocking JAK-STAT signaling can lead to hair growth.

Estrogens significantly influence hair growth by interacting with receptors in hair follicles and may help regulate the hair growth cycle.

Androgens can cause hair growth in some areas and hair loss on the scalp.

TGF-β is crucial for controlling stem cell behavior and changes in its signaling can lead to diseases like cancer.

Estrogen therapy can reduce skin aging but has cancer risks.

The document concludes that more research is needed to better understand and treat primary cicatricial alopecias, and suggests a possible reclassification based on molecular pathways.