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Modulating BMP activity changes the number, size, shape, and type of ectodermal organs.

Nanoparticles can improve skin drug delivery but have challenges like toxicity and stability that need more research.

Macrophages help heal nerves by aiding the maturation of Schwann cells and are important for nerve repair.

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.

Hair analysis can detect cocaine use but doesn't accurately show the amount or timing of use.

The document concludes that understanding hair structure is key to diagnosing hair abnormalities and recommends gentle hair care for management.

Finasteride effectively treats baldness but may cause sexual side effects.

Testosterone's muscle-building effects do not require its conversion to DHT.

New targets for making and using brain-synthesized steroids could lead to better treatments for brain disorders and alcoholism.

IL-2 treatment causes skin eruptions and other reversible side effects, and may play a role in psoriasis.

Hair follicles produce and respond to melatonin, affecting hair growth and sensitivity to estrogen.

Aromatherapy with certain essential oils is a safe and effective treatment for hair growth in alopecia areata patients.

Finasteride exposure in pregnancy causes genital abnormalities in male rats.

A simple screening method found that 6.3% of women in a semiurban area in Sri Lanka have polycystic ovary syndrome, with most showing menstrual irregularities.

Fibroblast growth factor receptor signaling controls cell development and repair, and its malfunction can cause disorders and cancer, but it also offers potential for targeted therapies.

Hormones, especially androgens, play a big role in acne, but most acne sufferers don't have a hormone disorder. Hormonal treatments, including birth control pills, can be very effective for women whose acne doesn't improve with regular treatments.

The research identified various cell types in mouse and human teeth, which could help in developing dental regenerative treatments.

Children, especially teenagers, can get severe SARS-CoV infection with symptoms similar to adults, but they typically recover well with supportive care.

Zinc is crucial for nutrition, especially in patients with specific health conditions, and requires careful supplementation and monitoring.

Some drugs can cause skin, nail, and hair problems, which are important for healthcare professionals to recognize and report.

Hair loss linked to higher heart disease risk in both men and women.

Finasteride lowers risk of urinary issues and surgery by over 50% in 4 years.

Foals with Rhodococcus equi infection often have other health problems that lower their chances of survival.

Treating sleep apnea in young obese women with PCOS can improve heart health and insulin sensitivity.

DHT may increase the risk of heart disease and death in elderly men.

Lampreys have a functional vitamin D receptor that may help detoxify harmful substances.

Finasteride doesn't harm male fertility or sperm quality, but may slightly reduce ejaculate volume.

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

Male pattern hair loss is genetic and influenced by hormones, with treatments like minoxidil and surgery available.

A mother's PPARγ is crucial for preventing harmful milk that can cause inflammation and growth problems in babies.