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Skin stem cells are maintained by signals from nearby cells and vary in their ability to renew and mature.

Permanent hair loss from cicatricial alopecia is treated by reducing inflammation and managing symptoms, but regrowth in scarred areas is unlikely.

The Brazilian Society of Dermatology agrees that oral isotretinoin is effective for acne and other skin conditions, and it's safe when monitored, but more research is needed on dosing and duration.

Nellore cattle have genetic variations linked to their adaptation to tropical environments.

Delayed ejaculation is a complex issue caused by psychological, biological, and lifestyle factors, requiring a holistic treatment approach.

Hormonal contraceptives can help treat acne by affecting sebum production and androgen levels.

Taking L-tryptophan supplements might cause a condition similar to scleroderma in some people, which can get better after stopping the supplement and starting corticosteroid therapy.

Dupilumab helps children with alopecia areata regrow hair safely.

Obesity increases the risk of skin infections, inflammatory conditions, and melanoma, but not basal cell carcinoma.

Scalp flaps are used for reconstruction, considering factors like inelasticity, hair growth, and blood supply, with techniques adapting to age-related changes in vascularity.

Acne inversa is an epithelial-driven disease where inflammation is caused by cyst rupture, and treatments should focus on preventing tendril growth for better results.

Low-dose oral minoxidil effectively treats non-scarring hair loss with some side effects like hypertrichosis and postural hypotension.

Platelet-rich plasma is beneficial in various plastic surgery applications, but more research is needed to standardize its use.

Transverse scalp sections are better for diagnosing non-scarring hair loss, while vertical sections are better for a specific scarring hair loss called lichen planopilaris.

Anti-cancer treatments can cause reversible hair loss, skin sensitivity, pigmentation changes, nail damage, and skin reactions, with a need for more research on managing these side effects.

Obesity is linked to various skin disorders, which can help with early diagnosis and prevention of long-term health issues.

Free tissue transfer is highly effective for fixing exposed implants after skull surgery.

Early diagnosis and aggressive treatment are key for managing rare scalp disorders that cause permanent hair loss.

Aggressive scalp squamous cell carcinomas have a high death rate and need early, strong treatment.

Skin problems in older people can indicate hormonal diseases, nutritional deficiencies, or conditions like diabetes, menopause, and HIV.

Cyclosporine cleared a woman's resistant skin condition quickly and kept it away for over a year.

Low testosterone in men is a risk factor for a specific heart rhythm issue, and testosterone treatment may help prevent it.

Transplanted bone marrow cells actively move, form clusters, and grow after transplantation.

Understanding and treating hair disorders in different ethnic groups requires knowledge of specific hair care practices and hair characteristics.

SK2 channels help control sensory signals in rat muscle spindles and hair follicles.

Optimal storage solutions and effective additives are crucial for improving the survival of hair transplant grafts.

3D cell-derived matrices improve tissue regeneration and disease modeling.

Early surgical treatment for severe facial injuries from high-energy impacts leads to better recovery.

New treatments and early diagnosis methods for permanent hair loss due to scar tissue are important for managing its psychological effects.

The patient was diagnosed with anorexia nervosa and severe malnutrition, requiring urgent refeeding and monitoring.