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Adding vitamin B12 to food like salt can effectively improve vitamin levels in rural areas.

The skin systems of jawed vertebrates evolved diverse appendages like hair and scales from a common structure over 420 million years ago.

Female pattern hair loss is caused by multiple factors and while treatments like topical minoxidil, hormone therapy, and low-level light therapy can help, none can fully cure it.

Advanced technologies can improve understanding and monitoring of skin-brain interactions.

Rice germ oil improves hair health, but adding ferulic acid offers limited benefits and may worsen chemically damaged hair.

Future hair cosmetics will be safer and more effective.

Innovative cosmetics could safely change hair color by targeting biological hair pigmentation processes.

New-onset fibromyalgia after COVID-19 is poorly understood and needs more research.

Melanocytes are important for normal body functions and have potential uses in regenerative medicine and disease treatment.

The conclusion is that understanding how hair follicle stem cells live or die is important for maintaining healthy tissue and repairing injuries, and could help treat hair loss, but there are still challenges to overcome.

Long COVID causes a wide range of long-lasting symptoms that change over time and are hard to diagnose and treat.

Bariatric surgery can cause serious mineral deficiencies, requiring better patient education and monitoring.

Increasing calcium sensing receptor speeds up skin and hair development in mice.

The human keratin 6a gene's specific sequences trigger expression in skin layers after injury.

sPLA2-X is crucial for normal hair growth and follicle health.

Scalp hair follicle microbes affect hair health and could be used for treatments.

Focus on sustainable plant-based superfoods to reduce environmental impact.

Understanding tissue regeneration requires new experiments and historical insights to improve nerve healing.

Proper care and diet are crucial to prevent health issues in gerbils.

Alopecia areata is a hair loss condition caused by immune factors and can be treated with JAK inhibitors.

Dormant melanoma cells in mice interact minimally with memory T cells due to a suppressive tumor environment.

Researchers found that hair shedding happens mostly when new hair is growing and involves a unique process.

Feather growth and regeneration involve complex patterns, stem cells, and evolutionary insights.

These skin conditions in African men need combined medical treatments and lifestyle changes.

Heparan sulfate is important for hair growth, preventing new hair formation in mature skin, and controlling oil gland development.

Cicatricial alopecia, a permanent hair loss condition, is mainly caused by damage to specific hair follicle stem cells and abnormal immune responses, with gene regulator PPAR-y and lipid metabolism disorders playing significant roles.

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.

Dermoscopy has greatly improved the diagnosis of skin lesions and our understanding of their morphology and biology.

Caffeine improves hair growth, thickness, and reduces shedding.

Nailfold dermoscopy is a simple, cheap way to check blood vessel changes in COVID-19 patients.