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Researchers created rat liver stem cells that could help repair liver failure in rats and may be useful for studying human liver diseases.

Implanting hair-follicle stem cells in mice brains helped repair brain bleeding and reduced brain inflammation.

The two-factor model fits better for Chinese patients' understanding of illness causes than the original four-factor model.

Using CRISPR for gene editing in the body is promising but needs better delivery methods to be more efficient and specific.

Hair loss can significantly affect a person's self-esteem and body image, especially in young people, those who value their looks highly, and women.

Lifestyle changes improve metabolism and fertility in overweight PCOS patients; anti-obesity drugs show potential but need more research.

Chimp Haven uses a special system to check and improve the well-being of their chimpanzees, which could help other animal sanctuaries too.

Glucocorticoids can cause various health issues, but some treatments may help reduce these effects.

Dutasteride may help protect neurons and reduce inflammation in Parkinson's disease.

Short-term testosterone therapy in women seems safe with few mild side effects, but long-term effects need more research.

5-alpha-reductase inhibitors may cause a low incidence of erectile dysfunction that decreases over time.

Monkeys with more anxious or inhibited temperaments tend to have less hair loss.

Corticosteroids, especially prednisone, improve short-term muscle strength in Duchenne muscular dystrophy but have manageable side effects.

Men with shaved heads are seen as more dominant but older and less attractive.

Scientists found a specific group of itch-sensing nerve cells in mice important for feeling itch but not for sensing heat or touch.

Research from 2011 to 2020 shows androgen receptors could be key for prognosis and treatment in certain breast cancers.

Delta opioid receptors help regulate touch sensation by reducing neurotransmitter release in the spinal cord.

Polycystic Ovary Syndrome (PCOS) is a common but often undiagnosed disorder in women that can cause irregular periods, infertility, and other symptoms, and can be managed with lifestyle changes, medication, and sometimes surgery.

Testosterone's muscle-building effects do not require its conversion to DHT.

Men over 66 taking medication for prostate enlargement have a higher risk of depression and self-harm, especially in the first 18 months of treatment.

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

Damaging mitochondrial DNA in mice speeds up aging due to increased reactive oxygen species, not through the p53/p21 pathway.

Hair loss affects quality of life, self-esteem, and confidence, but younger patients cope better.

In Brazil in 2018, the most common skin issues were acne, photoaging, and nonmelanoma skin cancer, with treatments often including topical medications and sunscreen.

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

Finasteride use can cause depression-like behavior in male rats.

Finasteride affects brain processes related to neurotransmission and metabolism, potentially helping with neuropsychiatric conditions.

Testosterone is important for men's sexual function, may help some women's sexual desire, while other hormones and neurotransmitters also play complex roles in sexual behavior.

Stem cell niches are crucial for regulating stem cell behavior and tissue health, and their decline can impact aging and cancer.

Opioid painkillers can cause many side effects, including breathing problems and addiction, but are generally considered safe when used properly.