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Skin varies in thickness, color, and features due to complex genetic and cellular processes.

Accurate diagnosis and various treatments can rejuvenate the upper face for a natural look.

Hair follicle stem cells are crucial for touch sensation and proper nerve structure in mice.

Facelifts for Asians are challenging due to thicker, heavier skin.

The interdigital gland of Vembur sheep shows sex-based differences in size and chemical makeup, possibly affecting communication and disease protection.

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.

Wounding may stimulate hair growth, but more research is needed to confirm the safety and effectiveness of related treatments.

Bimatoprost is effective for growing longer, thicker, and darker eyelashes.

Doctors are preparing to potentially perform uterus transplants in transgender women, considering technical, hormonal, and ethical factors.

Meis2 is essential for touch sensation and proper nerve connection to touch receptors in certain skin areas of mice.

The research identified key molecules that help hair matrix and dermal papilla cells communicate and influence hair growth in cashmere goats.

Syndecan-1 is essential for maintaining skin fat and preventing cold stress.

Fingerprints form uniquely before birth due to specific genetic pathways and local signals.

Hair cortisol levels in primates are useful for stress assessment but vary by age, sex, species, and hair collection methods.

Melanoma's complexity requires personalized treatments due to key genetic mutations and tumor-initiating cells.

Merkel cells and Langerhans cells in hair follicles are closely connected and may interact.

Moving horses to new places can increase their stress levels, as shown by higher stress hormone in their hair.

Fat tissue under the skin affects hair growth and aging; reducing its inflammation may help treat hair loss.

Dihydroartemisinin helps reduce prostate enlargement in rats by stopping the growth of prostate cells.

Reflectance confocal microscopy is useful for diagnosing and monitoring skin diseases, but it has limitations and requires expertise for correct use.

Urologists should monitor mental health in patients taking finasteride due to potential links to suicidal thoughts, adjusting dosage or stopping use if necessary. More research is needed to confirm if finasteride causes these thoughts.

The document concludes that understanding the evolution of the human face helps cosmetic surgeons meet aesthetic desires.

Deoxycholic acid is FDA-approved for reducing submental fat, but its mechanisms are not fully understood.

Removing Mediator 1 from certain mouse cells causes teeth to grow hair instead of enamel.

Filler injections can cause temporary hair loss, but hyaluronidase can help restore hair within a few months.

Scientists have improved 3D models of human skin for research and medical uses, but still face challenges in perfectly replicating real skin.

Imiquimod can cause rare skin side effects, some irreversible, and long-term follow-up is important for users.

High doses of rosemary extract can harm the liver, kidneys, and reproductive organs in young rats.

The study suggests that the arrector pili muscle is important for hair health and its damage might contribute to hair loss.

Most dogs have hair whorls on their chest and limbs, with shelter dogs and short-haired dogs having more chest whorls.