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Some viruses can cause cancer by changing cell processes and avoiding the immune system; vaccines and targeted treatments help reduce these cancers.

Pregnancy can cause skin darkening, varicose veins, more sweating, hair growth, hair loss after birth, nail changes, and gum inflammation.

Protoporphyrin IX is useful in cancer treatment but can cause health problems if not properly regulated.

Masculine facial features may not reliably indicate heritable health, and more research is needed.

Finasteride treats enlarged prostate and hair loss, but may cause side effects in some patients.

Facial feminization surgery is effective in helping transgender women appear more feminine and has high patient satisfaction.

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

Silver nanoparticles coated with substances like PEG showed strong antibacterial effects and improved wound healing when used in hydrogels.

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.

Gene therapy with the Math1 gene helped regenerate balance-related cells and improve balance in mice.

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

Mice hair growth patterns get more complex with age and can change with events like pregnancy or injury.

Stress can stop hair growth in mice, and treatments can reverse this effect.

Oxidative stress contributes to hair graying and loss as we age.

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

Substances from Chinese medicines show promise for immune support and disease prevention, but the way they are processed affects their effectiveness.

No single treatment is consistently effective for alopecia areata, and more research is needed.

The AUTS2 gene is linked to neurological disorders and may affect human brain development and cognition.

Exposure to finasteride in the womb caused lasting reproductive issues in male rats.

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

Trilostane effectively and safely treats dogs with pituitary-dependent hyperadrenocorticism, improving symptoms and adrenal gland size.

Thyroid hormones help hair grow, reduce hair loss, and increase hair pigment.

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.

New topical antifungals and delivery systems are improving treatment for fungal skin infections, but patient education and prevention are key.

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

Folliculitis decalvans is a rare scalp condition causing scarring hair loss, treated with long-term antibiotics and other medications, but it often comes back and is hard to manage.

Ruby laser pulses best destroy hair follicles during the growth phase and effectiveness varies with laser intensity; melanin is key for targeting, and timing treatments can improve results.

Dihydrotestosterone gel improved well-being and sexual function in older men without negatively affecting prostate health.

Choosing the right model order in brain connectivity analysis can affect the detection of differences between healthy individuals and those with seasonal affective disorder.

Fetal wound healing changes with development, affecting inflammation and collagen, which may influence scarring.