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Researchers found new hair and nail genes, how hair reacts to UV, differences in white and pigmented hair growth, nerve changes in alopecia, treatments for baldness and alopecia, a toenail condition linked to a genetic disorder, and that nail fungus is more common in people with psoriasis.

A new hair transplant method showed promising results and a study found how deep a CO₂ laser can penetrate skin.

Reassurance is important for postpartum hair shedding as it likely won't cause complete baldness.

Using 448-kHz Capacitive-Resistive Electrothermal Therapy can help increase hair density and prevent hair loss in women.

The report concludes that PCOS is mainly a condition of excess male hormones and its definition may change as new information is discovered.

Low-level Laser Therapy may help reduce inflammation, pain, and aid healing, but more research is needed to confirm its effectiveness and establish standard treatment guidelines.

The vitamin D receptor is involved in multiple body functions beyond calcium regulation, including immune response and rapid reactions not related to gene activity.

Understanding developmental pathways can improve wound healing treatments.

Testosterone is important for men's sexual function, may help some women's sexual desire, while other hormones and neurotransmitters also play complex roles in sexual behavior.

β-catenin is essential for stem cell activation and proliferation in hair follicles.

Super-enhancers controlled by pioneer factors like SOX9 are crucial for stem cell adaptability and identity.

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

Stress increases neurosteroids that help prevent seizures.

Neurosteroids are crucial for stress response, and targeting specific receptors may help treat certain disorders.

Keratins are crucial for cell structure, growth, and disease risk.

The skin is a complex barrier for drug penetration, but understanding its structure and interactions can improve drug delivery methods.

Laser hair removal is the most requested cosmetic procedure and has become a scientifically-based treatment suitable for all skin types.

Lecithin organogels could be good for applying drugs to the skin because they are stable, safe, and can improve drug absorption.

Male and female bodies respond differently to stress, influenced by hormones and development stages, with implications for stress-related diseases.

Skin cells produce and activate vitamin D, which regulates skin functions and supports hair growth.

Fibrinogen/LDL apheresis may improve speech perception in sudden hearing loss, especially for those with high fibrinogen and LDL levels.

Demodicosis is common and often missed, needing more recognition and treatment in skin care.

Tributyltin exposure causes sex changes, sterilization, and decline in the snail Ocinebrina aciculata, risking its extinction.

New research suggests that skin cell renewal may not require a special type of cell previously thought to be essential.

Hair follicle patterns form through a mix of self-organization and signaling interactions.

The dermal papilla is crucial for hair growth and health, and understanding it could lead to new hair loss treatments.

Some drugs can cause hair loss or increase hair growth, but these effects are usually reversible when the drug is stopped.

Cathepsin L is essential for normal hair growth and development.

Androgens, like testosterone, are crucial for early testicular descent in rats.

Young adults have about 230,000 tactile nerve fibers, decreasing 5-8% per decade with age.