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Light scatters differently from elliptical hair fibers than from circular ones, and a new model better predicts this behavior, especially for shiny highlights.

Root hairs in maize grow mainly in air-filled pores, limiting their role in nutrient uptake and plant anchorage.

Human stem cells were turned into cells similar to those that help grow hair and showed potential for hair follicle formation.

Chitosan slows root hair growth and causes a buildup of callose at low concentrations, but at high concentrations, it only inhibits growth without callose buildup.

A new system for classifying curly hair types using precise measurements can improve hair care products and cultural inclusion.

Scientists can now create skin with hair by reprogramming cells in wounds.

Testosterone significantly affects urination differences between male and female mice.

Researchers developed a new method to test hair growth drugs and found that adult cells are best for hair growth, but the method needs improvement as it didn't create mature hair follicles.

The document concludes that significant investment in agricultural innovation is necessary to achieve global food security and nutrition.

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

The new anti-acne treatment HA-P5 effectively reduces acne by targeting two key receptors and avoids an enzyme that can hinder treatment.

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.

Microneedles are promising for long-acting drug delivery and can improve patient compliance, but more data is needed to confirm their effectiveness.

Polymeric microneedles offer a less invasive, long-lasting drug delivery method that improves patient compliance and reduces side effects.

New liposome treatment successfully delivers CRISPR to deactivate a key enzyme in androgen-related disorders.

Using focused ultrasound on the brain can help epilepsy medicine work better in rats.

Lidocaine-loaded microparticles effectively relieve pain and fight bacteria in wounds.

Mice without the vitamin D receptor have bone issues and other health problems, suggesting vitamin D is important for preventing various diseases in humans.

Removing part of the vitamin D receptor stops vitamin D from working properly.

Human hair follicle cells can grow hair when put into mouse skin if they stay in contact with mouse cells.

Hair from people with seborrheic dermatitis is thicker scaled, more damaged, and thinner than healthy hair, and atomic force microscopy can help monitor the condition.

Zinc can both inhibit and stimulate mouse hair growth, and might help recover hair after chemotherapy.

Injected human hair follicle cells can create new, small hair follicles in skin cultures.

Melatonin receptors in hair follicles help regulate hair growth and could treat hair loss.

Two mouse mutations cause similar hair loss despite different skin changes.

Activin B improves wound healing and hair growth by helping stem cells move using certain cell signals.

Melanocyte precursors in human fetal skin follow a specific migration pattern and some remain in the skin's deeper layers.

Male pattern baldness may be caused by factors like poor blood circulation, scalp tension, stress, and hormonal imbalances, but the exact causes are still unclear.

New compounds were made that effectively block a specific enzyme related to androgen conditions.

Hormone treatments in transsexual individuals reduce hair growth and oil production in male-to-females and increase them in female-to-males.