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The conclusion is that accurate diagnosis of different types of hair loss requires good teamwork between skin doctors and lab experts.

Male hormones, particularly DHT, are linked to male pattern hair loss, and treatments like finasteride can help, but they don't work for postmenopausal women's hair loss, which may have different causes.

Telocytes might help with skin repair and regeneration.

Stress-related substance P may lead to hair loss and negatively affect hair growth.

Androgens can cause hair growth in some areas and hair loss on the scalp.

Tight junctions are key for skin protection and controlling what gets absorbed or passes through the skin.

Alopecia areata causes hair loss, has no cure, and various treatments exist.

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

Sonic hedgehog signaling is crucial for hair growth and maintaining hair follicle identity.

Estrogen replacement can improve skin health in menopausal women but doesn't reverse sun damage or prevent hair loss.

Estrogen loss during menopause worsens skin health, but hormone replacement therapy may improve it, though more research is needed.

Human dermal fibroblasts are the main cells targeted by a virus that can cause a deadly skin cancer, and a certain inhibitor can effectively block this infection.

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.

The document describes how to tell different types of non-scarring hair loss apart by looking at hair and scalp tissue under a microscope.

Asia has made significant progress in tissue engineering and regenerative medicine, but wider clinical use requires more development.

Vitamin D has potential benefits for cancer prevention, heart health, diabetes, obesity, muscle function, skin health, and immune function, but clinical results are mixed and more research is needed.

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.

Lignans and neolignans from plants may help protect against various health issues, including cancer and heart disease.

Melatonin helps regulate hair growth and protects the hair follicle from stress.

Microneedling is promising for treating various skin issues but needs more research to confirm its effectiveness and safety.

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

Survivors of Stevens-Johnson syndrome/toxic epidermal necrolysis need ongoing care for various long-term health problems.

Skin surface lipids are important for skin health and altering them could help prevent aging and treat skin conditions.

Recombinant cytokine therapy can cause skin reactions ranging from mild to severe.

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

Oxidative stress affects hair loss in men with androgenetic alopecia.

Growth factors are crucial for hair development and could help treat hair diseases.

Using human fat tissue derived stem cells in micrografts can safely and effectively increase hair density in people with hair loss.

Stem cells from hair follicles can safely treat hair loss.

Antioxidants can benefit skin health but should be used carefully to avoid negative effects.