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DHT affects hair follicle cells by changing microRNA levels, leading to less cell growth and more cell death.

Vitamin C derivative increases versican in cells, potentially aiding hair growth.

Taking oral testosterone with finasteride or dutasteride doubles testosterone levels, and food slightly affects it.

Laser hair removal works well for people with dark hair and light skin, but it's less effective for light hair or dark skin; improvements are expected.

Many elderly women experience unwanted facial hair and various hair loss conditions, with treatments available for each condition.

Thallium poisoning from contaminated tortillas caused severe symptoms and was mostly fatal or led to long-term health issues.

Anabolic steroid users may face higher risk of severe COVID-19.

Different human hair follicle stem cells grow at different rates and respond differently to a baldness-related compound.

Scientists made skin stem cells from other human cells with over 97% efficiency, which could help treat skin conditions.

Testosterone implants in women require pharmacological dosing to be effective and are generally safe and well-tolerated.

Researchers developed a reliable method to measure testosterone and epitestosterone in urine for medical and anti-doping use.

CD34 marks potential stem cells in dog hair follicles.

Amenorrhea, or the absence of periods, should be evaluated by age 15 or within five years of early breast development, and is most commonly caused by conditions like polycystic ovary syndrome and hypothalamic amenorrhea.

Minoxidil may help prevent capsular opacification after cataract surgery.

PRP shows promise for improving facial wrinkles, skin elasticity, and hair growth, but more research is needed to standardize its use and understand its effects.

Men taking 5-alpha-reductase inhibitors before or after bladder cancer diagnosis had a lower risk of dying from the disease.

Men prefer less invasive cosmetic procedures and need different treatment approaches than women.

The document concludes that there are still unknowns about the effectiveness, risks, and detection of performance-enhancing drugs, and doping remains a challenge.

Mice can regenerate ear tissue without the p53 protein.

A woman developed male traits from accidental contact with her husband's testosterone gel.

Scalp flaps are used for reconstruction, considering factors like inelasticity, hair growth, and blood supply, with techniques adapting to age-related changes in vascularity.

Melanoblasts migrate to the skin using various pathways, and understanding this process could help with skin disease research.

Isotretinoin improves severe acne without changing androgen or insulin levels but may increase body weight and triglycerides.

Hair grafting is a key method for improving scars, especially in areas with hair, by transplanting hair to hide the scar while maintaining its original characteristics.

Alopecia causes smaller hair follicles and affects growth-related structures.

Finasteride use doesn't cause sexual dysfunction in men with hair loss.

Advancements in male reproductive medicine are ongoing, but more research and improved treatments are needed in several areas.

New culture method keeps human skin stem cells more stem-like.

Minoxidil helps hair regrowth in alopecia, but more research needed.

Testosterone replacement therapy should be used for men with low testosterone levels and symptoms of hypogonadism, after careful diagnosis and considering individual needs.