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Melatonin may reduce skin damage caused by X-rays in rats.

People often struggle to consistently use contraceptives and other medications, and long-acting options might be better for those who want to avoid daily doses.

A gene called HDAC9 might be a new factor in male-pattern baldness.

Melatonin improves cashmere goat hair growth and quality by increasing antioxidants and reducing cell death.

Testosterone and dihydrotestosterone affect hair growth, and new techniques like the folliculogram help study it, but fully understanding hair growth is still complex.

PRP shows promise for hair loss treatment, with three initial monthly injections and maintenance every 3-6 months.

Some natural compounds can protect fish ear cells from damage by certain antibiotics without affecting the antibiotics' ability to fight infections.

Some drugs can cause hair loss, excessive growth, or color changes, often reversible but sometimes permanent.

Asian hair is generally straight and thick, with unique disorders and properties, and more research is needed to understand it fully.

Different species and human skin models vary in their skin enzyme activities, with pig skin and some models closely matching human skin, useful for safety assessments and understanding the skin's protective roles.

The study found that Ziziphus jujuba seeds contain beneficial compounds for treating insomnia and anxiety and that the methods used are effective for assessing their quality.

Food deprivation increases MST enzyme in the brain, possibly affecting energy balance.

A study found that minoxidil can damage the hearts of dogs and pigs, cautioning its use in humans.

Cromakalim relaxes various blood vessels, while minoxidil sulphate is more selective; they likely act on different potassium channels.

Finasteride reduces new brain cells in male mice, possibly causing depression.

Melatonin protects skin against UV damage by regulating various cellular processes.

Hair follicles on the scalp interact with and respond to the nervous system, influencing their own behavior and growth.

Certain fats in the skin help control inflammation and health, and changing these fats through diet or supplements might treat skin inflammation.

New resveratrol-related compounds show promise for treating various health issues but need more research for clinical use.

Using neurohormones to control keratin can lead to new skin disease treatments.

The document concludes that it's important to understand the placebo effect when evaluating the effectiveness of treatments in medical trials.

Platelet-rich plasma treatment for non-scarring hair loss shows mixed results and needs more research.

Allopregnanolone increases growth and changes gene activity in human brain cancer cells.

Merkel cells may have roles in sensing magnetic fields, creating fingerprints, Reiki energy healing, passing on environmental information to offspring, and influencing hair shape.

St. John's Wort extract and oil safety in cosmetics is unclear; more data needed on photosensitization, toxicity, and human irritation.

The 2018 update to the ED care model added a new severity score and stressed a detailed evaluation of both physical and psychological aspects.

Cognitive-behavioral therapy is the best treatment for hair-pulling disorder, and combining it with other therapies could improve results.

PRP shows promise for improving facial wrinkles, skin elasticity, and hair growth, but more research is needed to standardize its use and understand its effects.

Platelet-rich plasma is beneficial in various plastic surgery applications, but more research is needed to standardize its use.

Inflammation plays a key role in activating skin stem cells for hair growth and wound healing, but more research is needed to understand how it directs cell behavior.