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The document describes how to tell different types of non-scarring hair loss apart by looking at hair and scalp tissue under a microscope.

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

Most people on isotretinoin had chapped lips, but only a few stopped the medicine due to side effects.

Estrogens help reduce skin aging, and SERMs might offer similar benefits without the risks of hormone therapy.

Higher doses of cranial irradiation are linked to permanent hair loss.

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

Most youth with gender dysphoria received hormones, had minor complications, and showed a decrease in suicide attempts after treatment.

Stress increases nerve fibers and immune cell activity in mouse skin, possibly worsening skin conditions.

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

Hair, teeth, and mammary glands develop similarly at first but use different genes later.

High-dose dutasteride reduces PMDD symptoms by stabilizing neurosteroid levels.

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

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

ICG-enhanced NIR laser therapy may be a promising acne treatment with improvement and no side effects.

New single-cell analysis techniques are improving our understanding of stem cells and could help in treating diseases.

The Protein-Sparing Modified Fast is effective for rapid weight loss and maintaining it, but requires medical supervision and can have side effects.

Voriconazole can cause serious side effects, especially in long-term use.

Hormones like estrogen, testosterone, progesterone, and prolactin play complex roles in female sexual function, with testosterone potentially improving sexual desire, arousal, and satisfaction. However, more research is needed to establish safe and effective hormone treatments for female sexual dysfunction.

The study found that two enzymes linked to hair loss are located in different parts of the scalp, supporting a common treatment's effectiveness.

Removing both Atr and Trp53 genes in adult mice causes severe tissue damage and death due to DNA damage.

Testosterone replacement may help some postmenopausal women with symptoms like fatigue and low libido, but more research is needed to fully understand its effects.

Prolactin affects hair growth and skin conditions, and could be a target for new skin disease treatments.

Researchers identified genes linked to coat color, body size, cashmere production, and high altitude adaptation in goats.

Skin fat helps with body temperature control and has other active roles in health.

Turing patterns are now recognized as important in developmental biology.

Testosterone supplements can increase muscle mass and strength in older men with low levels, but long-term effects and risks need more research.

Wnt signaling helps control how brain stem cells divide and is important for brain repair after injury.

Women with PCOS have more body fat and thicker fat layers in certain abdominal areas than women without PCOS.

Using nanostructured lipid carriers to deliver spironolactone could improve treatment for hair loss.

The document concludes that dandruff and seborrheic dermatitis are linked to inflammation and skin changes, and treating them with specific shampoos can reduce these issues.