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Estrogens can improve skin aging but carry risks; more research is needed on safer treatments.

TGF-β is crucial for controlling stem cell behavior and changes in its signaling can lead to diseases like cancer.

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.

Lowering testosterone speeds up wound healing in male mice.

Pure carbon nanotubes are safe for mice, but impure ones cause immune issues and hair loss.

Aging mice have slower hair regeneration due to changes in signal balance, but the environment, not stem cell loss, controls this, suggesting treatments could focus on environmental factors.

Cancer can hijack the body's cell repair system to promote tumor growth, and targeting this process may improve cancer treatments.

Hair growth can be induced by certain cells found at the base of hair follicles, and these cells may also influence hair development and regeneration.

Estrogens and SERMs can help with skin aging, but their safety and effectiveness need more research.

Insulin resistance contributes to hormone imbalances in many women with polycystic ovary syndrome.

RANK is a key target in breast cancer treatment due to its role in tumor growth and bone metastasis.

Human alpha defensin 5 helps heal wounds, reduce bacteria, and grow hair on burned skin.

The 3D electrospun fibrous sponge is promising for tissue repair and healing diabetic wounds.

Low-Level Light Therapy (LLLT) is a safe and effective method for skin rejuvenation, acne treatment, wound healing, body contouring, and hair growth, but more well-designed trials are needed for confirmation.

Doctors should know how to diagnose and treat PCOS, which often involves checking for high male hormone levels and using medications to manage symptoms.

Testosterone therapy may slightly improve sexual function in postmenopausal women, but its long-term safety is unknown.

TPA promotes hair growth by increasing stem cell activity and activating specific cell signals.

A new PAX9 gene mutation causes missing teeth and hair problems, but not skin or nail issues.

Understanding how epigenetic regulation affects stem cells is key to cancer insights and new treatments.

Combining cosmetic procedures with lifestyle changes improves antiaging results.

Scientists have made progress in understanding hair follicle stem cells, identifying specific genes and markers, and suggesting their use in treating hair and skin conditions.

Bioluminescence imaging can track hair follicle cells and help study hair regrowth.

Researchers found a new mutation in the EDA gene that likely causes missing teeth and mild skin symptoms in one family.

Hair growth is influenced by hormones and goes through different phases; androgens can both promote and inhibit hair growth depending on the body area.

Certain nutrients can help keep skin healthy as we age.

Hair loss affects women's self-esteem; treatments like minoxidil can help.

Researchers found a new genetic mutation causing a rare hair loss condition in the first Japanese child studied.

Researchers found a new mutation in the HR gene causing hair loss and skin bumps in a Pakistani family.

Different drug doses approved in Japan and the U.S. are not mainly due to different clinical responses, and ethnic factors should be considered in setting drug doses.

Humans can accurately guess age from faces, with women being slightly better at it, and age perception is linked to evolutionary factors.