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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.

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.

Oxidative stress contributes to hair graying and loss as we age.

Cepharanthine is a well-tolerated drug with multiple medical uses, including anti-inflammatory and anti-cancer properties.

Substances from Chinese medicines show promise for immune support and disease prevention, but the way they are processed affects their effectiveness.

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

The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.

Hibiscus plant extracts may have health benefits like lowering blood pressure and protecting the heart.

Estrogens help reduce skin aging, and SERMs might offer similar benefits without the risks of hormone therapy.

The document concludes that while significant progress has been made in understanding skin biology and stem cells, more research is needed to fully understand their interactions with their environment.

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

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

Animals that change color with the seasons mainly do so in response to daylight changes, but climate change is causing camouflage problems that may require evolutionary changes.

Tiny particles from stem cells help activate hair growth cells and encourage hair growth in mice without being toxic.

Ruby laser pulses best destroy hair follicles during the growth phase and effectiveness varies with laser intensity; melanin is key for targeting, and timing treatments can improve results.

Researchers found a new gene area linked to male-pattern baldness, which, along with another gene, significantly increases the risk of hair loss in men.

Inhibiting 5α-reductase can help reduce prostate cancer risk and improve treatment.

ICG-enhanced NIR laser therapy may be a promising acne treatment with improvement and no side effects.

Activating TRPV3 stops human hair growth.

The document concludes that proper diagnosis and a combination of medical, hair-care, and surgical treatments are important for managing alopecia in black women.

Drospirenone is a unique progestin with anti-water retention and potential blood pressure benefits, used in birth control and hormone therapy.

FGF signaling is a promising target for developing treatments for wounds, metabolic diseases, and cancer.

MicroRNA-214 is important for skin and hair growth because it affects the Wnt pathway.

Male pattern hair loss is genetic and influenced by hormones, with treatments like minoxidil and surgery available.

Minoxidil-loaded NLC gel shows potential for effective alopecia treatment.

5α-reductase is essential for male sexual development and its inhibitors have potential in treating various conditions related to hormone action.

Male hormones and their receptors play a key role in hair loss and skin health, with potential new treatments being explored.

Scientists created stem cells that can grow hair and skin.