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Merkel cells may have roles in sensing magnetic fields, creating fingerprints, Reiki energy healing, passing on environmental information to offspring, and influencing hair shape.

A boy with chromosome 13q deletion syndrome developed eye cancer, a woman with breast cancer lost vision due to a rare side-effect of her treatment, a man's vision worsened after using a hair loss drug, and two rare disorders were discussed. Optical Coherence Tomography is useful for diagnosing and monitoring these conditions.

Genetic discoveries are key for understanding, diagnosing, and treating inherited hair and nail disorders.

Alopecia areata involves immune response and gene changes affecting hair loss.

The review concludes that accurate diagnosis of different types of hair loss requires proper biopsy techniques and understanding the hair growth cycle and underlying causes.

Treatment can improve survival and symptoms in dogs with Cushing's disease, but outcomes are unpredictable.

A specific protein in chicken embryos links early skin layers to feather development.

Cells treated with Wnt-10b can grow hair after being transplanted into mice.

Minoxidil prevents serotonin loss from MDMA by affecting potassium channels and increasing Akt phosphorylation.

Steroid sulfatase is important for activating hormones that affect memory, brain function, and certain diseases, and could be a target for treating hormone-related disorders.

Lack or blocking of SRD5a, a key component in hormone creation, can lead to conditions like pseudohermaphrodism and affect hair growth, bone mass, muscle strength, and reproductive health. More research is needed on its regulation from fertilization to adulthood.

Scientists have made progress in growing mini-organs and regenerating parts of the skin, with plans to treat hair loss in a future trial.

Certain molecules in hair change with age and could be used for cosmetic treatments.

The drug combination significantly reduced epileptic drop attacks in patients.

Finasteride reduces alcohol withdrawal severity and anxiety in mice, but may increase withdrawal severity in some cases.

Hair and nails are similar keratin structures with different shapes and growth, affected by the same diseases and environmental factors.

Detailed patient history and physical exams are crucial for diagnosing hair loss.

Systemic retinoids are effective for psoriasis but have side effects; benefits may outweigh risks, especially when reducing cancer risks from other treatments.

Spermidine helps protect against aging by preserving telomere length.

A portable device can create nanofibers to improve the appearance of thinning hair better than commercial products.

Modified keratin binds better to hair, especially bleached hair.

Hair gets thinner, grayer, and changes texture with age due to genetics, environment, and cellular changes, affecting the growth cycle.

Graying hair happens due to aging and might be delayed by new treatments.

The document concludes that clinicians should be aware of common hair and scalp disorders in women of African descent and that more research is needed to develop effective treatments.

Quick treatment of hair disorders in teenage girls is important because of the emotional effects.

New drugs are improving treatment for hormone-related diseases in small pets.

Eye exams are crucial for kids with 13q deletion syndrome, tamoxifen can cause vision loss, Propecia may lead to cataracts, Lipoid Proteinosis causes skin bumps, and OCT is useful for diagnosing macular diseases.

Hair growth is influenced by factors like genetics and nutrition, and more research is needed to understand hair loss and growth mechanisms.

Eating less can slow aging and help keep stem cells healthy by cleaning out damaged cell parts.

The gene Msx2 is crucial for hair follicle regeneration during wound healing.