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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.

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

Hair color production in mice is closely linked to the hair growth phase and may also influence hair growth itself.

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

Laser hair removal is the most requested cosmetic procedure and has become a scientifically-based treatment suitable for all skin types.

Early diagnosis and treatment, using finasteride, minoxidil, or hair transplantation, improves hair loss outcomes.

Artificial skin development has challenges, but new materials and understanding cell behavior could improve tissue repair. Also, certain growth factors and hydrogel technology show promise for advanced skin replacement therapies.

Calcium affects where root hairs grow, but other unknown factors determine their growth direction.

Visible light can damage skin and most sunscreens don't block it well; more research is needed on its effects and protection methods.

Hair loss common in Australia; men affected earlier, more often than Asians; women less concerned.

Alopecia areata is likely an autoimmune disease with unclear triggers, involving various immune cells and molecules, and currently has no cure.

Androgens may cause hair loss by increasing TGF-beta1 from scalp cells, which inhibits hair cell growth.

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.

Men are more likely to have severe COVID-19 cases and fatalities than women due to factors like lifestyle, aging, and biological differences.

Finasteride for hair loss can cause long-lasting sexual side effects like low libido and erectile dysfunction.

Researchers created human hair follicles using a new method that could help treat hair loss.

Androgens can help prevent memory problems caused by apoE4.

Menopause can lead to skin and hair problems due to hormonal changes, but hormone replacement therapy might help slow these effects.

Hair loss affects self-esteem and quality of life; treatments can help.

Regenerated fully functional hair follicles using stem cells, with potential for hair regrowth therapy.

New effective scar treatments are urgently needed due to the current options' limited success.

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

Toxic Shock Syndrome mainly affects menstruating women, can recur, and is linked to staph bacteria, with rapid treatment being crucial.

Demodicosis is common and often missed, needing more recognition and treatment in skin care.

Chemotherapy can cause skin problems like hair loss, mouth sores, and skin darkening, and recognizing these can affect treatment decisions.

The document concludes that the exact way alcohol causes harm to fetal development is unknown, but it significantly affects nutrient transport to the fetus and a safe level of alcohol during pregnancy is not determined.

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

Researchers developed a new model for more realistic computer graphics rendering of hair by considering how light scatters on hair fibers.