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Stress increases nerve fibers and immune cell activity in mouse skin, possibly worsening skin conditions.

Children, especially teenagers, can get severe SARS-CoV infection with symptoms similar to adults, but they typically recover well with supportive care.

Smoking harms the skin, causing early aging and increasing cancer risk, but stopping smoking can improve skin health.

Some drugs can cause skin, nail, and hair problems, which are important for healthcare professionals to recognize and report.

Aminopterin strongly suppresses epithelial tissues and can treat certain skin conditions but has significant side effects.

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

COVID-19 can cause skin issues like rashes and "COVID toes," and people with skin conditions should adjust their treatments if they get the virus.

Mouflon rams mature gradually with changes in body, horns, and hormones linked to age and seasons, reaching full sexual maturity well after puberty.

The Wnt/β-catenin pathway is important for tissue development and has potential in regenerative medicine, but requires more research for therapeutic use.

The document concludes that understanding the genes and pathways involved in hair growth is crucial for developing treatments for hair diseases.

Kawasaki Disease is rare and often missed in adults, who show different symptoms than children, and may benefit from early treatment.

The article concludes that while we understand a lot about how melanocytes age and how this can prevent cancer, there are still unanswered questions about certain pathways and genes involved.

Skin development in mammals is controlled by key proteins and signals from underlying cells, involving stem cells for maintenance and repair.

Environmental factors, hormones, nutrition, and stress all significantly affect skin health and aging.

Wnt10b overexpression can regenerate hair follicles, possibly helping treat hair loss and alopecia.

Hair grays due to oxidative stress and fewer functioning melanocytes.

The HR protein's role as a repressor is essential for controlling hair growth.

Wnt signaling is crucial for skin and hair development and its disruption can cause skin tumors.

Pregnancy causes skin changes like darkening, hair thickening, nail changes, and increased risk of skin growths, most of which usually resolve after birth.

The document explains how the male reproductive system works, its role in making testosterone, and how conditions like obesity can disrupt it, leading to low testosterone and fertility issues.

Maintaining DNA health in stem cells is key to preventing aging and tissue breakdown.

Finasteride slowly binds to 5-alpha-reductase, affecting enzyme stability and inhibitor potency.

Blocking the enzyme 11β-HSD1 might help treat obesity and metabolic issues.

Tissue-resident memory T cells can protect against infections and cancer but may also contribute to autoimmune diseases.

The document concludes that for hair and feather growth, it's better to target the environment around stem cells than the cells themselves.

Stress increases certain chemicals in the skin and nerves, which might worsen skin conditions.

Alisertib was found to be an effective and tolerable treatment for children with recurrent brain tumors.

The p53 protein has complex, sometimes contradictory functions, including tumor suppression and promoting cell survival.

Prolactin affects the production of different keratins in human hair, which could lead to new treatments for skin and hair disorders.

The topical inhibitor CUR61414 was not effective in treating basal cell carcinoma in human trials.