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The document suggests that blocking sweat glands with antiperspirants might allow skin-generated hormones to be absorbed, possibly increasing breast and prostate cancer risk.

Estrogen increases blood vessel growth factor production, while testosterone blocks this increase.

Stem cells can help regenerate hair follicles.

Canine epidermal neural crest stem cells could be a promising treatment for spinal cord injuries in dogs.

Women with Polycystic Ovary Syndrome (PCOS) have a lower health-related quality of life, especially those with an anovulatory phenotype, and may need specific interventions to improve it.

The Notch signaling pathway helps in mouse hair development through a noncanonical mechanism that does not rely on RBPj or transcription.

COVID-19 and hypopituitarism (reduced pituitary gland function) are linked, with the latter's related health issues potentially worsening COVID-19 outcomes, and COVID-19 possibly increasing risk for pituitary complications.

The document concludes that certain chemicals can help maintain stem cell pluripotency and that understanding cell states is crucial for tissue regeneration.

Ephrin-A3 helps increase and speed up hair growth in baby mice.

Exosomes help nerve fibers grow by affecting specific cell signaling pathways.

Finasteride helps protect brain in old male rats.

Mice lacking steroid 5α-reductase 2 show less aggression and better impulse control.

Blocking 5α-reductase can harm memory and brain structure, and increase harmful brain changes in male mice used for Alzheimer's disease research.

Glutamic acid helps increase hair growth in mice.

Carvone helps treat skin issues by reducing melanin and stopping harmful cell growth.

Certain MC4R gene variants are linked to higher BMI in obese women with PCOS but do not cause PCOS.

Estazolam reduces anxiety-like behavior in PTSD by increasing allopregnanolone levels.

Testosterone significantly affects sexual desire in both men and women, but its impact on women is more complex and influenced by psychological factors.

Negative expectations can cause adverse effects in dermatology treatments, like with finasteride for baldness, and careful communication can help reduce these nocebo responses.

Polycystic Ovary Syndrome (PCOS) symptoms vary globally, with bloating, high cholesterol, and glucose levels being common; the current diagnostic criteria may need refining.

Hair style affects perceptions of age, health, and attractiveness more than hair color does.

Eating collagen peptides may help with skin and hair growth.

Understanding and manipulating epigenetic changes can potentially lead to human organ regeneration therapies, but more research is needed to improve these methods and minimize risks.

Drugs for hormone-related conditions might help treat mental disorders but could have serious side effects.

Progestogens are essential in menopausal hormone therapy to prevent uterine cancer and must be chosen carefully based on individual needs.

Bioengineered salivary glands in mice can produce saliva when tasting sour or bitter, but have different protein levels and nerve signals compared to natural glands.

Using polymeric micelles to deliver spironolactone topically could improve wound healing in skin affected by glucocorticoids.

Scientists found genes linked to hair length in Brangus cattle that could help breed heat-tolerant cattle.

Nanotechnology is improving drug delivery and targeting, with promising applications in cancer treatment, gene therapy, and cosmetics, but challenges remain in ensuring precise delivery and safety.

Taxol damages hair growth cells, causing hair loss.