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Stress can stop hair growth in mice, and treatments can reverse this effect.

The update highlights that non-classic congenital adrenal hyperplasia is common in women with excess male hormones, requires specific hormone tests for diagnosis, and has various treatment options depending on age and symptoms.

Stress increases a factor in mice that leads to hair loss, and blocking this factor may prevent it.

Finasteride doesn't harm male fertility or sperm quality, but may slightly reduce ejaculate volume.

5α‐reductase isozymes are crucial for prostate development and health, and targeting them can help prevent and treat prostate issues.

Certain genetic variations in the AR and ERβ genes can affect androgen levels in women.

Finasteride treats enlarged prostate, shrinks it, improves urination, but may cause sexual dysfunction and isn't for women or children.

Certain mice without specific receptors or mast cells don't lose hair from stress.

Shampoos are designed to clean and improve hair and scalp health, with specific ingredients for different hair types and conditions.

Lower levels of certain brain chemicals are linked to worse PTSD symptoms in men.

Genetics and hormones cause hair loss; finasteride treats it safely.

Products should be called 'sperm-safe' only after thorough, well-designed tests.

WNT10A helps esophageal cancer cells spread and keep renewing themselves.

Keratinocytes control how melanocytes work.

The document explains different types of hair loss, their causes, and treatments, and suggests future research areas.

Melatonin and mitotane treatment led to hair re-growth in 62% of dogs with Alopecia X, but this was not always linked to normal hormone levels.

Pitx2 helps outer root sheath cells differentiate but can't start hair growth on its own.

The document concludes with guidance for doctors on diagnosing and treating hirsutism effectively and safely.

The protein StAR is found in 17 different organs and can affect hair loss and brain functions, but its full role is not yet fully understood.

Scientists have created a new hair loss treatment using ultrasound to deliver gene-editing particles, which resulted in up to 90% hair regrowth in mice.

Hormonal treatments are effective for severe or persistent acne and should be used with other acne therapies, considering potential side effects.

FLRG and follistatin have different roles in wound healing.

To diagnose Polycystic Ovarian Syndrome, two out of three signs—irregular periods, high male hormone levels, or cysts on the ovaries—are needed.

Growing hair follicles have high mitochondrial activity and ROS in specific regions, aiding hair formation.

A substance called VIP might protect hair follicles from being attacked by the immune system, and problems with VIP signaling could lead to hair loss in alopecia areata.

DHT's role in hair loss is important, but measuring its level for diagnosis is questionable.

Systemic Lupus Erythematosus has varied symptoms and is hard to diagnose, affecting many body parts and requiring careful clinical judgment.

Long-term fluticasone treatment does not harm the immune system in horses with heaves.

Hormone therapy for transgender females increases the risk of blood clots and requires careful dosing, monitoring, and lifelong management.

Neuroactive steroids could become safe, effective treatments with more understanding of their complex brain actions and metabolism.