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The document concludes that stem cell therapies lack solid proof of effectiveness, except for blood system treatments, and criticizes the ethical issues and commercial exploitation in the field.

Global oil use will rise, US corn-to-ethanol policy is flawed, and various social and economic issues need attention.

One type of progenitor cell can maintain normal skin in mice.

Hair care practices like using relaxers and tight braiding can lead to permanent hair loss in black women.

Cutting hair follicles into pieces for transplantation results in poor growth and thinner hair, and the technique is more invasive than previously thought.

The evaluation system improves patient selection for hair loss surgery, leading to fewer but more successful surgeries.

Understanding the science of skin stretching is crucial for safe and effective hair replacement techniques.

The document concludes that "Photodamage" and "Photoimmunology" are valuable resources, while "Pediatric Dermatopathology" and "Hair and Scalp Disorders" have limitations.

Researchers developed a new way to measure gene activity in single hair follicles and found that a specific gene's activity changes with different amounts and times of treatment.

Retinoids are effective for acne but can cause serious side effects.

Scalp micropigmentation is a tattooing method that can mimic a full head of hair without surgery and has no healing time.

Surgical therapies for vitiligo vary in effectiveness, with combination therapy and medical tattooing recommended for better results.

After skin injury, adult mice can grow new hair follicles, and this process can be increased or stopped by manipulating Wnt signals.

Low-level Laser Therapy may help reduce inflammation, pain, and aid healing, but more research is needed to confirm its effectiveness and establish standard treatment guidelines.

Skin stem cells are crucial for maintaining and repairing the skin and hair, using a complex mix of signals to do so.

Lgr5 is a marker for active, long-lasting stem cells in mouse hair follicles.

The document concludes that skin stem cells are important for hair growth and wound healing, and could be used in regenerative medicine.

Hair follicles are complex, dynamic mini-organs that help us understand cell growth, death, migration, and differentiation, as well as tissue regeneration and tumor biology.

Chemotherapy in the first trimester of pregnancy is risky, but in the second and third trimesters, it's generally safe with careful drug selection and timing.

Hair follicle development is controlled by interactions between skin tissues and specific molecular signals.

Prostate cancer cells can make their own androgens to activate the androgen receptor, and treatments like abiraterone may increase this ability, suggesting new therapies should target the entire steroid-making pathway.

Nerve signals are crucial for hair follicle stem cells to become skin stem cells and help in wound healing.

Calreticulin has roles in healing, immune response, and disease beyond its known functions in the endoplasmic reticulum.

Changing how mesenchymal stromal cells are grown can improve their healing abilities.

Fat tissue-derived cells show promise for repairing body tissues, but more research and regulation are needed for safe use.

Microspheres about 1.5 micrometers in size can best penetrate hair follicles, potentially reaching important stem cells.

Increasing mir-302 turns human hair cells into stem cells by changing gene regulation and demethylation.

The skin has a complex immune system that is essential for protection and healing, requiring more research for better wound treatment.

The research found that different types of fibroblasts are involved in wound healing and that some blood cells can turn into fat cells during this process.

The conclusion is that using drugs to block the TOR pathway might slow aging and prevent age-related diseases.