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Exposure to too much androgen before birth might cause polycystic ovary syndrome later in life.

Melatonin in the skin helps protect against damage from stress and UV rays, and could be used to treat certain skin conditions.

Msx and Dlx genes are crucial for development, controlling cell behaviors like growth and differentiation through their roles as gene regulators.

Middle-aged women with chronic telogen effluvium experience increased hair shedding but usually don't get significantly thinner hair.

Creating stronger blockers for skin enzymes might lead to better treatment for conditions like acne and excessive hair growth.

Cyproterone acetate is effective for acne but less so for hirsutism and alopecia, with some side effects and quick menstrual cycle recovery after treatment.

Acne affects most teenagers and can continue into adulthood, with various treatments available that show improvement but have concerns like antibiotic resistance and side effects.

Nerves are crucial for the regeneration of various body parts in many animals.

JAK inhibitors are effective in treating various immune-related diseases, not just rheumatoid arthritis.

Melatonin is important for skin health and protection, and can be made by the skin or applied to it.

5% and 2% minoxidil solutions effectively promote hair growth and reduce hair loss, with 5% being slightly more effective but having more side effects.

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.

Planarian regeneration begins with a specific gene activation caused by injury, essential for healing and tissue regrowth.

PGD2 stops hair growth and is higher in bald men with AGA.

Use minoxidil for hair loss; finasteride and dutasteride for men, dutasteride for women.

Lifestyle changes can improve body composition, excess male hormone levels, and insulin resistance in women with PCOS.

Dermoscopy helps diagnose and manage alopecia areata by showing specific hair changes.

Dutasteride and finasteride may reduce sperm count and volume but don't affect movement or shape; effects are reversible after stopping.

Genetic variation in the androgen receptor gene mainly causes early-onset hair loss, with maternal inheritance playing a key role.

Most women with excess hair growth have an underlying hormonal issue, often treated with medication and hair removal methods.

Stress stops hair growth in mice by causing early hair growth phase end and harmful inflammation through a specific nerve-related pathway.

Hair follicle stem cells use specific chromatin changes to control their growth and differentiation.

The document concludes that developing generic topical drugs requires ensuring they match the original in quality, composition, and structure, and often involves complex testing and regulatory steps.

Alopecia areata is an autoimmune condition causing hair loss due to the immune system attacking hair follicles, often influenced by genetics and stress.

Special fiber materials boost the healing properties of certain stem cells.

The PDGF/PDGFR pathway is a potential drug target with mixed success in treating various diseases, including some cancers and fibrosis.

Jumonji genes are important for development and their mutations can cause abnormalities, especially in the heart and brain.

Alopecia areata involves immune activation in the scalp, suggesting treatments targeting TH1, TH2, and IL-23 pathways.

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