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Melatonin may help with sleep issues, depression, and cancer, but more research is needed.

Erectile dysfunction is increasingly common in men under 40, with many physical and psychological causes, and various treatment options available.

Low-Level Laser Therapy is effective and safe for hair growth with minimal side effects.

Estrogens significantly influence hair growth by interacting with receptors in hair follicles and may help regulate the hair growth cycle.

The document concludes that more research is needed to better understand and treat primary cicatricial alopecias, and suggests a possible reclassification based on molecular pathways.

Periodontal ligament stem cells show promise for regrowing tissues but require more research for safe, effective use.

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.

Smart biomaterials that guide tissue repair are key for future medical treatments.

Researchers created a fully functional, bioengineered skin system with hair from stem cells that successfully integrated when transplanted into mice.

Nuclear hormone receptors play a significant role in skin wound healing and could lead to better treatment methods.

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.

Melanocyte development from neural crest cells is complex and influenced by many factors, and better understanding could help treat skin disorders.

The document concludes that there are no effective clinical treatments for hearing loss due to hair cell damage, but research is ongoing.

Hair follicle stem cells are a promising source for tissue repair and treating skin or hair diseases.

Kennedy's disease leads to muscle weakness and sensory issues, has no cure but manageable symptoms, and future treatments look promising.

Orbital decompression surgery for Graves' orbitopathy caused double vision in 19% of patients, with similar rates for two surgical methods.

Brain-Derived Neurotrophic Factor (BDNF) slows down hair growth and promotes hair follicle regression.

The silk fibroin-based hydrogel shows promise for treating melanoma and healing infected wounds by killing tumor cells and bacteria, and supporting skin recovery.

Post-finasteride patients show changed neuroactive steroid levels, possibly causing erectile dysfunction and depression.

Keratinocytes control how melanocytes work.

Cytokines and neuropeptides are key in controlling androgen levels, affecting skin and hair conditions.

Disrupting Acvr1b in mice causes severe hair loss and thicker skin.

People with polycystic ovary syndrome may have a higher risk of heart problems due to abnormal nervous system control of their heart and blood pressure.

LLLT promotes hair growth and improves hair density safely in men and women.

Activin B improves wound healing and hair growth by helping stem cells move using certain cell signals.

Hormones and neuroendocrine factors control hair growth and color, and more research could lead to new hair treatment options.

Most women with weird scalp feelings had neck spine problems, and some got better with gabapentin treatment.

Madarosis is the loss of eyelashes and eyebrows due to various health issues and requires thorough examination to diagnose and treat the underlying cause.

SACUMAN, a rare condition causing hair loss without clear signs, is often misdiagnosed and needs scalp biopsies for accurate detection.

Removing the thymoma improved the man's autoimmune conditions.