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Stem cells regenerate tissues and their behavior varies by environment, suggesting the hematopoietic system model may need revision.

Hair pulling disorder is treated with therapy and medication; hair loss from tension can be reversed if caught early.

Scientists created a new 3D skin model from cells of plucked hairs that works like real skin and is easier to get.

Hirsutism treatment should focus more on patient needs and quality of life.

Understanding hair structure and growth is key for diagnosing hair diseases accurately.

Women over forty can maintain skin and hair health with lifestyle and dietary changes.

Some teenagers with anorexia nervosa have worse cognitive abilities, especially in visual and spatial tasks, and this is more common in those with a lower body weight.

Lasers are effective for some skin conditions but can cause side effects like scarring and pigment changes; careful selection is important, and botulinum toxin type A is successful in reducing sweat in palmar hyperhidrosis.

Hair loss from trauma can be managed using scalp expansion, flaps, and hair transplants to improve appearance and well-being.

Low-power laser therapy is an effective, side-effect-free treatment that speeds up hair regrowth and crural ulcer healing.

Lasers are effective and safe for various medical treatments, including cancer, wound healing, and skin conditions.

Educating patients on phototrichogram increased satisfaction in androgenetic alopecia treatment.

Epithelial stem cells are crucial for tissue renewal and repair, and understanding them could improve treatments for damage and cancer.

The circadian clock affects skin stem cell behavior, impacting aging and cancer risk.

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

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

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

Nanoparticles improve drug delivery through the skin but more research is needed on their long-term effects and skin penetration challenges.

Dextran sulfate was found to be toxic and ineffective for treating HIV.

Hair follicles may soon be used more for targeted and systemic drug delivery.

The niche environment controls stem cell behavior and plasticity, which is important for tissue health and repair.

Different types of stem cells and their environments are key to skin repair and maintenance.

Hair grows faster in the morning and is more vulnerable to damage from radiation due to the internal clock in hair follicle cells.

Women with PCOS are more than twice as likely to develop nonalcoholic fatty liver disease.

Skin surface lipids are important for skin health and altering them could help prevent aging and treat skin conditions.

Chemotherapy often causes temporary hair loss, which is distressing and needs better treatment and support.

Newborn mouse skin cells can grow hair and this process can be recreated in adult cells to potentially help with hair loss.

The document concludes that molluscum contagiosum is a common, benign skin infection in children, often healing without scarring.

Wool follicles are complex, involving interactions between different cell types and structures.

Genetics and hormones play a role in male and female hair loss, but more research is needed to fully understand it.