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Microglia, the brain's immune cells, may contribute to Polycystic Ovary Syndrome (PCOS) by altering the female brain's structure and function, with kisspeptin neurons and GABA neurotransmitters also playing a role.

Androgens like testosterone may help treat traumatic brain injury by reducing mitochondrial stress and inflammation.

Early signs of PCOS in girls, like irregular periods and polycystic ovaries, suggest a need for early diagnosis and intervention to prevent further health issues.

The document concludes that PCOS is a complex disorder caused by both genetic and environmental factors, affecting women's health in various ways, and requires personalized treatment.

Low IGF-1 and high HDL cholesterol levels are linked to more hair loss in middle-aged women.

The document concludes that diagnosing PCOS requires a thorough approach, considering various symptoms and risks, and calls for improved methods to identify PCOS types and prevent diabetes.

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

A brain-made hormone can protect against memory-related brain damage caused by harmful proteins.

Non-coding RNAs are important for hair growth and could lead to new hair loss treatments, but more research is needed.

Chinese women's hair gets thinner and grayer with age, and scalp conditions change, especially after 40.

Testosterone with finasteride improved muscle and bone health in men with spinal cord injury.

Sex hormones, especially estradiol, can change chicken feather shapes and colors.

Menopausal women have higher androgen levels, which can cause symptoms like facial hair growth and low sexual desire.

Testosterone changes how certain channels work in male rat reproductive tracts, affecting fertility-related fluid balance.

Australian doctors experienced in adult transgender healthcare mostly prescribe intramuscular testosterone and oral estradiol, recommend mental health assessments before hormone therapy, and support improved training and guidelines.

miR-29 is a key factor that accelerates aging.

Fat cells are important for healthy skin, hair growth, and healing, and changes in these cells can affect skin conditions and aging.

5α-reductase inhibitors may worsen sexual drive and spontaneous erections but don't worsen existing erectile or ejaculatory problems.

Cross-sex hormone treatment in transsexual individuals helps understand how sex hormones affect diseases like heart disease and diabetes.

Doctors vary in how they initially test for PCOS, but most agree on using oral contraceptives and lifestyle changes as first treatments.

Environmental factors at different levels control hair stem cell activity, which could lead to new hair growth and alopecia treatments.

5α-Reductase inhibitors do not consistently increase testosterone levels in the blood.

Different people show different symptoms for genetic diseases because of how sensitive their bodies are to small changes in important factors.

Aging skin shows thinner layers, fewer hair follicles, and new biomarkers like increased space between cells and smaller sebaceous glands.

The effects of estrogen on human scalp hair growth are unclear and need more research.

Aging reduces skin stem cell function, leading to changes like hair loss and slower wound healing.

A pineal tumor caused a boy's early puberty, which changed from peripheral to central after treatment.

New hormonal treatments for enlarged prostate show promise for safer, effective non-surgical options.

Male tissue has more cell death than female tissue after ischemia, and some neurosteroids only protect female cells.

The conclusion is that skin and hair patterns are formed by a mix of cell activities, molecular signals, and environmental factors.