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High levels of cortisol in hair show long-term stress which can lower fertility in animals.

Some herbal ingredients like linalool and tea tree oil have anti-dandruff properties and are safe for use in shampoos.

Stress and hormones like progesterone can affect absence seizures, but their effects change with different life stages.

Surgical and chemical castration have varied effects on heart and brain inflammation and artery function in sick rats.

Stem cells from whiskers can be transplanted to stimulate hair growth.

Dutasteride, usually used for prostate issues and hair loss, could potentially treat Amyotrophic Lateral Sclerosis (ALS) due to its neuroprotective, antioxidant, and anti-inflammatory properties, but more testing is needed.

Early hormones shape sex-specific differences in rat glands.

The Notch signaling pathway is important for hair follicle development and could help create treatments for hair disorders.

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

New vitiligo treatments focus on controlling immune damage and restoring skin color.

The Msi2 protein helps keep hair follicle stem cells inactive, controlling hair growth and regeneration.

Clim proteins are essential for maintaining healthy corneas and hair follicles.

A two-step method was created in 2015 to make more cells that help with hair growth, but they need to be combined with other cells for 4 days to actually form new hair.

Botulinum toxin may help reduce skin flap damage caused by cigarette smoke.

Long COVID affects over half of COVID-19 survivors, causing a range of symptoms like fatigue and neurological issues, with no specific treatment yet.

Tissue engineering could be a future solution for hair loss, but it's currently expensive, complex, and hard to apply in real-world treatments.

Activating the GDNF-GFRα1-RET signaling pathway could potentially promote skin and limb regeneration in humans and could be used to treat hair loss and promote wound healing.

The document concluded that more research is needed to understand how estrogen affects the enzyme involved in hirsutism development.

The CuCS/Cur wound dressing helps regenerate nerves and heal deep skin burns by rebuilding hair follicles.

Hair follicle development in cashmere goats involves dynamic changes in proteins and metabolites, with key roles for oxytocin, MAPK, and Ca2+ pathways.

New imaging techniques show testosterone delays hair growth and shrinks follicles in mice, but have limited depth for viewing.

PCOS may increase the risk of mental health issues like depression and anxiety.

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

New tools show that in fish, NPY increases feeding and somatostatin decreases it.

Men and women react differently to opioids, with hormones potentially influencing these differences.

Skin stem cells in hair follicles are important for touch sensation.

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

The 2015 Hair Research Congress concluded that stem cells, maraviroc, and simvastatin could potentially treat Alopecia Areata, topical minoxidil, finasteride, and steroids could treat Frontal Fibrosing Alopecia, and PTGDR2 antagonists could also treat alopecia. They also found that low-level light therapy could help with hair loss, a robotic device could assist in hair extraction, and nutrition could aid hair growth. They suggested that Alopecia Areata is an inflammatory disorder, not a single disease, indicating a need for personalized treatments.

Msx2 and Foxn1 are both crucial for hair growth and health.

The research found two types of calcium in human hair, one that varies among individuals and another that is consistent across people.