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Different types of stem cells exist within individual skin layers, and they can adapt to damage, transplantation, or tumor growth. These cells are regulated by their environment and genetic factors. Tumor growth is driven by expanding, genetically altered cells, not long-lived mutant stem cells. There's evidence of cancer stem cells in skin tumors. Other cells, bacteria, and genetic factors help maintain balance and contribute to disease progression. A method for growing mini organs from single cells has been developed.

Over one-third of women experience hair loss, with female-pattern hair loss being most common, and treatments include minoxidil and possibly hair transplantation.

Obesity is linked to various skin problems and may increase the risk of skin cancer.

The skin's internal clock affects healing, cancer risk, aging, immunity, and hair growth, and disruptions can harm skin health.

Probiotic bacteria improved skin and hair health in aged mice.

Finasteride may help some male chronic pelvic pain patients, but more research needed.

Isotretinoin effectively treats severe acne and similar conditions, but has common, mostly reversible side effects, requiring careful patient monitoring.

Fat cells in the skin help start healing and form important repair cells after injury.

TRP channels in the skin are important for sensation and health, and targeting them could help treat skin disorders.

Targeting androgen receptors could be a promising way to treat skin disorders with fewer side effects.

No single treatment is consistently effective for alopecia areata, and more research is needed.

Male hormones like testosterone may make COVID-19 worse, and testing for sensitivity to these hormones could help predict how severe a patient's symptoms might be. Treatments that reduce these hormones are being explored.

Understanding how cells die in the skin is important for treating skin diseases and preventing hair loss.

The AUTS2 gene is linked to neurological disorders and may affect human brain development and cognition.

Macrophages help regrow hair by activating stem cells using AKT/β-catenin and TNF.

The article concludes that the wool follicle is a valuable model for studying tissue interactions and has potential for genetic improvements in wool production.

The research identified various cell types in mouse and human teeth, which could help in developing dental regenerative treatments.

Adult female acne treatment should be personalized, considering individual preferences and pregnancy, using various topical and oral medications while managing side effects and resistance.

Children with atopic dermatitis often have sleep problems, affecting their growth and behavior.

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.

Zinc is crucial for nutrition, especially in patients with specific health conditions, and requires careful supplementation and monitoring.

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

Men, especially older ones with health issues like prostate cancer, may have worse COVID-19 outcomes and could benefit from therapies targeting male hormones.

New topical antifungals and delivery systems are improving treatment for fungal skin infections, but patient education and prevention are key.

Lignans and neolignans from plants may help protect against various health issues, including cancer and heart disease.

Liposomes could improve how skin care products work but are costly and not very stable.

Psoriasis skin changes are complex and might need several biopsies for a clear diagnosis.

New treatments targeting specific genes show promise for treating keratin disorders.

Foals with Rhodococcus equi infection often have other health problems that lower their chances of survival.