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A girl grew extra hair in areas where she had insect bites.

Birth control pills increase certain receptor activities in female gerbil prostate glands and can lead to prostate changes.

Upadacitinib significantly improved a man's severe scalp condition when other treatments failed.

Tadalafil is effective for treating urinary symptoms in men with BPH.

Microglia, the brain's immune cells, may contribute to Polycystic Ovary Syndrome (PCOS) by altering the female brain's structure and function, with kisspeptin neurons and GABA neurotransmitters also playing a role.

Gender-affirming hormone therapy affects metabolism differently based on treatment type.

Having PCOS does not make hidradenitis suppurativa worse.

Too much male hormone in mothers can negatively affect the sexual behavior of both male and female baby mice.

Deleting the CD271 gene in mouse skin cells leads to disorganized skin and increased hair growth, suggesting CD271 is important for skin health.

The study concludes that as skin matures from infancy to childhood, there are major changes in cell differentiation, stemness, and growth, leading to a stronger skin barrier in older children.

An 86-year-old man had a rare tongue melanoma but refused treatment, showing the need for early cancer detection and treatment.

Lasers and light treatments are now the most common ways to remove hair.

A multi-tiered treatment approach is crucial for managing hidradenitis suppurativa in patients with intellectual and developmental disorders.

Finasteride alone increases suicide risk, but combining it with other treatments reduces this risk.

PDE inhibitors, especially PDE4 inhibitors like apremilast, are effective for certain inflammatory skin conditions but have side effects and can be costly.

Excessive selenium from a supplement caused toxicity but patients recovered with care.

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.

Cooling the scalp below 22°C before and during chemotherapy can help prevent hair loss.

Polarized dermoscopy is slightly better than nonpolarized for diagnosing hair disorders, with each method having its own strengths.

Finasteride increases hair count in middle-aged and elderly men without causing sexual dysfunction.

The document concludes that accurate diagnosis and treatment of scalp itch require differentiating between various conditions using a proposed five-step evaluation process.

Diagnosing PCOS in teenagers should focus on signs of excess male hormones and not rely solely on ovarian ultrasound or irregular periods, and should be reassessed in adulthood.

Mutations in certain receptors can cause diseases and offer new treatment options.

New pregnane derivatives are effective at inhibiting an enzyme linked to hair loss and reducing oil gland activity.

Women with Systemic Lupus Erythematosus should have closely monitored pregnancies and avoid certain medications to improve their pregnancy outcomes.

Hair absorbs alkali bromide salts and water, affecting its structure, with absorption decreasing at higher temperatures.

Lupus patients' body image issues significantly affect their mental health and need more support.

Boxer and Labrador dogs' hair growth is affected by the tropical climate, but Schnauzers' is not.

Certain nutrients can help keep skin healthy as we age.