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Skin changes throughout life, from development before birth to aging effects like wrinkles, influenced by both genetics and environment.

Vitamin D deficiency is common in temporary hair loss, and stress is often a suspected cause.

Tavaborole is a safe and effective toenail fungus treatment, with the 5% solution being the best option.

Robotic-assisted hair transplant is effective and less painful, but needs more evaluation for long-term results.

Reflectance confocal microscopy can noninvasively diagnose onychomatricoma by showing unique features different from healthy nails or nail fungus.

There is no significant link between insulin resistance and certain hair disorders like idiopathic hirsutism and androgenic alopecia.

Hair loss is a common but often unreported side effect of cancer treatments, especially for breast and prostate cancers.

Hair loss is a common side effect of hormone treatments for cancer.

Hair loss is a common, often overlooked side effect of hormone treatments for breast and prostate cancer.

The document concludes that accurately identifying leukemia types is crucial, and the risks of cancer from finasteride need careful evaluation against its benefits.

Finasteride for hair loss may increase the risk of certain cancers and has side effects; better regulation and education on its use are needed.

A 72-year-old man was diagnosed with a rare skin form of Rosai-Dorfman disease after years of misdiagnosis.

Low dose finasteride causes only minor changes in PSA levels in men over 50 with BPH.

Low dose finasteride causes only small changes in PSA levels in older men with BPH.

Shorter PSADT after prostate surgery is linked to higher risk of death.

The Erbium YAG laser is effective in hair restoration, resulting in high yield and density, but it's not recommended for second replacements or those with good-quality hair.

New treatments and diagnostic methods for urological conditions show promise, but some lack sufficient accuracy for clinical use.

Aloe vera gel is effective for treating skin conditions and is used in many cosmetic products.

Finasteride for hair loss doesn't harm erectile function; weight loss and exercise improve it.

Testosterone therapy improves physical function, strength, and body composition in older men with low testosterone levels.

Understanding gene expression in hair follicles can reveal insights into hair growth and disorders.

DNA profiling in forensics has improved, but predicting physical traits and ancestry from DNA has limitations and requires ethical consideration.

The document concludes that the hair cycle is a complex process involving growth, regression, and rest phases, regulated by various molecular signals.

Frontal fibrosing alopecia is a hair loss condition in postmenopausal women, similar to lichen planopilaris, with ineffective treatments.

Lgr5 is a marker for active, self-renewing stem cells in the intestine and skin, important for tissue maintenance.

Increasing mir-302 turns human hair cells into stem cells by changing gene regulation and demethylation.

Videodermoscopy improves diagnosis of hair and scalp disorders and may reduce scalp biopsies.

Dermoscopy is a useful tool for identifying features of skin conditions, but more research is needed to define its role in dermatology.

Future hair loss treatments should aim to extend hair growth, reactivate resting follicles, reverse shrinkage, and possibly create new follicles, with gene therapy showing promise.

Diagnosing PCOS in teenagers is challenging and should use strict criteria to avoid misdiagnosis and unnecessary worry.