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Cicatricial alopecia, a permanent hair loss condition, is mainly caused by damage to specific hair follicle stem cells and abnormal immune responses, with gene regulator PPAR-y and lipid metabolism disorders playing significant roles.

Breast cancer survivors may have a higher risk of falls, tamoxifen could prevent breast cancer and deaths, new guidelines urge caution with prostate cancer therapy, and early balding in men may indicate a higher prostate cancer risk.

Polycystic Ovary Syndrome (PCOS) is a common condition in women that can cause metabolic, reproductive, and psychological issues, and requires lifestyle changes and medication for management.

The guideline recommends mental health involvement in diagnosing gender identity disorder and outlines hormone and surgical treatment protocols, emphasizing safety, informed consent, and long-term monitoring.

Chemotherapy in the first trimester of pregnancy is risky, but in the second and third trimesters, it's generally safe with careful drug selection and timing.

Removing the ATR gene in adult mice causes rapid aging and stem cell loss.

A mother's diet at conception can cause lasting genetic changes in her child.

Coumarin derivatives show promise as anti-estrogenic agents for treating breast cancer, with some in clinical trials.

Obesity affects skin health, causing conditions like acanthosis nigricans and may require different treatment approaches.

Apoptosis is essential for human skin development and forming a functional epidermis.

Melatonin is important for skin health and protection, and can be made by the skin or applied to it.

Hair color production in mice is closely linked to the hair growth phase and may also influence hair growth itself.

Interferon alfa-2a is effective for treating cutaneous T cell lymphoma but has significant side effects.

Visible light can damage skin and most sunscreens don't block it well; more research is needed on its effects and protection methods.

The ZIP7 gene helps control zinc levels in cells by moving zinc from the Golgi apparatus to the cytoplasm.

The document concludes that the exact way alcohol causes harm to fetal development is unknown, but it significantly affects nutrient transport to the fetus and a safe level of alcohol during pregnancy is not determined.

Epirubicin is as effective as doxorubicin for cancer treatment with less heart damage, but doesn't work on doxorubicin-resistant cancers.

Estrogens significantly influence hair growth by interacting with receptors in hair follicles and may help regulate the hair growth cycle.

Male pattern baldness involves genetics, hormones, and needs better treatments.

Effective treatments for male pattern baldness include oral finasteride and topical minoxidil, while topical minoxidil is best for female pattern baldness.

EGFR inhibitors often cause skin problems and other side effects, but these are usually reversible and can be managed to keep patients comfortable.

Low doses of some substances can be beneficial, while high doses can be harmful or toxic.

Estrogens help reduce skin aging, and SERMs might offer similar benefits without the risks of hormone therapy.

Rhodococcus equi causes severe pneumonia in young foals, and effective vaccines are needed due to foals' weak immune responses.

The AUTS2 gene is linked to neurological disorders and may affect human brain development and cognition.

Skin's Regulatory T cells are crucial for maintaining skin health and could be targeted to treat immune-related skin diseases and cancer.

Melatonin helps regulate hair growth and protects the hair follicle from stress.

Hair color production is closely linked to the active growth phase of hair in mice and may also influence hair growth itself.

Male hormones and their receptors play a key role in hair loss and skin health, with potential new treatments being explored.

The sebaceous gland has more roles than just producing sebum and contributing to acne, and new research could lead to better skin disease treatments.