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Chemicals and body size might change when puberty starts and progresses, but more research is needed to confirm this.

COVID-19 can cause different skin symptoms that may help with early diagnosis and show how severe the disease is.

Male hormones, particularly DHT, are linked to male pattern hair loss, and treatments like finasteride can help, but they don't work for postmenopausal women's hair loss, which may have different causes.

Current treatments for alopecia show no significant long-term benefits.

Some people with pattern hair loss may also have scalp inflammation and scarring similar to lichen planopilaris.

The niche environment controls stem cell behavior and plasticity, which is important for tissue health and repair.

The document concludes that specific cells are essential for hair growth and more research is needed to understand how to maintain their hair-inducing properties.

Reduced cytokinin levels help plants adapt to low potassium by increasing root hair growth and potassium uptake.

Too much Smad7 can cause serious changes in skin tissues, including problems with hair growth, thymus shrinkage, and eye development issues.

Selenoproteins are crucial for healthy skin and hair.

Lichen planus pigmentosus causes dark skin patches and is treated by avoiding triggers and using anti-inflammatory medications.

Lichen planopilaris is a chronic, scarring hair loss condition with no definitive cure, requiring accurate diagnosis and treatment to manage symptoms.

The document concludes that accurate diagnosis of different types of hair loss requires careful examination of hair and scalp tissue, considering both clinical and microscopic features.

Finasteride treats enlarged prostate, shrinks it, improves urination, but may cause sexual dysfunction and isn't for women or children.

Skin problems in COVID-19 patients are rare and may be due to the body's complex immune response or blood clotting issues.

The conclusion is that tissue structure is key for stem cell communication and maintaining healthy tissues.

The VVG stain effectively differentiates scar tissue from normal skin and helps classify types of permanent alopecia.

Some treatments, like corticosteroids and sensitizing agents, can help with alopecia areata, but more high-quality research is needed.

The document says to treat cat fungal infections with medicine and clean the environment, noting that cats without symptoms can still spread it to humans.

Trichoscopy is a quick, noninvasive method to diagnose hair and scalp disorders, often reducing the need for biopsies.

Dermatoscopy is a useful tool for diagnosing hair disorders and can help choose samples for more detailed analysis.

Dermoscopy improves diagnosis and treatment monitoring for children's skin infections, inflammations, and hair disorders.

Androgen receptors are key for development and health, affecting conditions like prostate cancer and male pattern baldness.

Black ethnicity, prior PSA tests, enlarged prostate, and family history increase prostate cancer risk; Asian ethnicity, obesity, smoking, diabetes, and less sexual activity or no children decrease risk.

High-frequency ultrasonography is a useful but underused tool in dermatology for assessing skin cancers, monitoring diseases, and evaluating treatments.

The cause of Frontal Fibrosing Alopecia is unclear, diagnosis involves clinical evaluation and various treatments exist, but their effectiveness is uncertain.

Applying a specific inhibitor lightens skin and hair color.

Acne keloidalis nuchae is a tough-to-treat condition that greatly affects quality of life, especially in men of African descent.

Certain proteins, caspases-1 and -11, are important in the early development of skin inflammation in mice.

Tattooing helps treat skin conditions, reconstruct nipple-areola, mark radiation fields, and locate lesions.