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Psoriasis patients did not show more brain atrophy or small vessel disease than controls, but longer psoriasis duration was linked to more brain atrophy.

Genetic markers can help predict ear shapes for forensic use.

Short-term diabetes can cause changes in brain steroids, cholesterol balance, and mitochondrial function.

Notch signaling is crucial for specifying niche cells in Drosophila testis.

Hair protein composition is similar across different races and shapes.

During late pregnancy in rats, hormonal changes increased certain GABAA receptors in specific brain cells.

Certain genes are more active in baby scalp cells and can help grow hair when added to adult mouse skin cells.

Lanceolate complexes in mouse hair follicles are essential for touch and depend on specific cells for maintenance and regeneration.

Hair medullary cells in mammals vary in complexity, with humans having more structured cells similar to inner root sheath cells.

Neonatal blood vessels rearrange and stabilize as adults, with adult vessels better at self-repair after injury.

Sensory neuron changes and Merkel-cell changes in the skin happen independently during normal skin maintenance.

Four genes are potential markers for hair loss condition alopecia areata, linked to a specific type of cell death.

The gene Foxn1 is important for hair growth, and understanding it may lead to new alopecia treatments.

Understanding hair follicle communication can help treat hair loss.

Progesterone and testosterone protect brain cells from damage through specific pathways.

Forensic DNA phenotyping can help generate new leads in cold cases but faces accuracy, legal, and acceptance challenges.

The study found that diseases can be grouped by symptoms and that the accuracy of predicting disease-related genes varies with the data source.

The study found new details about human hair growth and suggests that preventing a specific biological pathway could potentially treat hair graying.

Monkey lips have dense sensory nerves similar to those in other skin areas, explaining their sensitivity.

Hair follicles have a more inactive cell cycle than other skin cells, which may help develop targeted therapies for skin diseases and cancer.

The enzymes 5α-reductase and 3α/β-hydroxysteroid oxidoreductase help create brain-active substances from progesterone and testosterone, which could be used for treatment, but more research is needed to ensure their safety and effectiveness.

KAP genes are crucial for hair development and show both shared and unique traits in humans, chimpanzees, and baboons.

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

Aβ afferents do not sprout into the superficial spinal cord layers after nerve injury.

Hair follicle stem cells can help repair nerve and spinal cord injuries.

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

Short-term finasteride use in male rats caused anxiety, depression, and memory problems.

New methods have greatly improved our understanding of stem cell behavior and roles in the body.