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Human beard hair medulla contains a unique and complex mix of keratins not found in other human tissues.

Mammals might fail to regenerate not because they lack the right cells, but because of how cells respond to their surroundings, and changing this environment could enhance regeneration.

The conclusion is that tissue structure is key for stem cell communication and maintaining healthy tissues.

Vitiligo affects overall health and self-esteem, needing more research and awareness.

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

Some common medications can harm male fertility, but many effects can be reversed.

Mesenchymal stem cells show potential for skin healing and anti-aging, but more research is needed for safe use, especially regarding stem cells from induced pluripotent sources.

Minoxidil and finasteride are effective for male hair loss, minoxidil for female hair loss, and various treatments like corticosteroids work for alopecia areata; treatment should be tailored to the individual.

Progress has been made in skin and nerve regeneration, but more research is needed to improve methods and ensure safety.

Vitamin D3 affects cell differentiation in specific skin areas.

Advanced human skin models improve drug development and could replace animal testing.

The FOXN1 gene is crucial for developing immune cells and preventing immune disorders.

Tiny needles with valproic acid can effectively regrow hair.

Different scaffold patterns improve wound healing and immune response in mouse skin, with aligned patterns being particularly effective.

Mycophenolate mofetil was effective for most patients in treating scarring hair loss, but some had side effects.

PRP injections may be a safe, effective alternative for hair loss treatment compared to minoxidil and finasteride.

Black ethnicity, prior PSA tests, enlarged prostate, and family history increase prostate cancer risk; Asian ethnicity, obesity, smoking, diabetes, and less sexual activity or no children decrease risk.

Some systemic treatments work for nail psoriasis but can have serious side effects.

Neurosteroids show promise for treating epilepsy and more research is needed.

PHBV nanofiber matrices help wounds heal faster when used with hair follicle cells.

People with alopecia areata often have lower levels of vitamin D, zinc, and folate, but more research is needed to understand if supplements can help treat it.

Some birth control pills have a higher risk of blood clots than others.

Minoxidil promotes hair growth by increasing cell division and DNA synthesis.

People with alopecia areata have more Th17 cells and fewer Treg cells, which may be key to the condition's development.

Coffee silverskin may be a beneficial and safe ingredient for cosmetics, offering hydration, firmness, and potential hair growth benefits.

Certain signals and genes play a key role in hair growth and regeneration, and understanding these could lead to new treatments for skin regeneration.

Certain hairstyles and less hair oil use in African American girls can lead to scalp conditions like traction alopecia and seborrheic dermatitis.

Male pattern baldness is mostly inherited, involves many genes, and is linked to other traits like early puberty and strong bones.

Alopecia areata involves immune system imbalances that may lead to depression and anxiety.

The extracellular matrix is crucial for controlling skin stem cell behavior and health.