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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.

The conclusion is that improved training and oversight for cosmetic procedures are recommended to better protect patients.

The document explains hair growth, hair loss types, and other hair-related terms.

A thorough history and examination are crucial for diagnosing skin diseases, which affect up to a third of people. This includes details about skin lesions, medication, general health, lifestyle, family, and contacts, as well as examining the rash, hair, nails, and mucous membranes. Changes in hair and nails can also indicate other medical and skin disorders.

Hair transplant is effective for treating hair loss caused by radiation and improves patients' quality of life.

The document summarizes medical findings on topics like heart rhythm treatment, sleep apnea therapy, and various health conditions and treatments.

Certain maturity signs appear before and after the first release of sperm in boys.

Female hair loss patients more likely to have dry eye and gland issues.

The guideline suggests using specific criteria to diagnose PCOS, recommends various treatments for its symptoms, and advises screening for related health issues.

Polycystic ovary syndrome is a complex condition that affects women's mental, reproductive, and metabolic health throughout their lives.

Changing the environment around stem cells could help tissue repair, but it's hard to be precise and avoid side effects.

Anabolic steroids can build muscle and strength but have risks and need more research on their clinical benefits and side effects.

DNA profiling in forensics has improved, but predicting physical traits and ancestry from DNA has limitations and requires ethical consideration.

Fat tissue-derived cells show promise for repairing body tissues, but more research and regulation are needed for safe use.

New nanofiber technology improves wound healing by supporting cell growth and delivering treatments directly to the wound.

Teriflunomide helps reduce multiple sclerosis symptoms and is safe for most patients.

Low iron and L-lysine levels can cause hair loss in women, and increasing these nutrients can reduce hair shedding.

About 7% to 15% of Iranian women have polycystic ovary syndrome, depending on the criteria used to diagnose it.

The guidelines suggest a detailed approach to diagnosing and treating lupus, with a focus on regular check-ups, personalized medicine, and a range of drug options for different cases.

Androgens can both increase and decrease hair growth in different parts of the body.

The virus was not found in the semen and urine of a man who tested positive for COVID-19.

Follicular Unit Extraction (FUE) is a less invasive hair transplant method with minimal scarring, suitable for about 60% of patients, especially those needing fewer grafts and quicker recovery.

The WNT signaling pathway is important in many diseases and targeting it could offer new treatments.

Postpartum depression is linked to changes in brain chemicals, inflammation, stress, and certain genes, and can potentially be identified by markers like specific steroids, serotonin levels, and vitamin D levels.

Tofacitinib helped regrow hair in most adolescents with alopecia areata, but more research is needed.

Periodontal ligament stem cells show promise for regrowing tissues but require more research for safe, effective use.

Eating less sugar, milk, and saturated fats and more vegetables and fish may help treat and prevent acne.

The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.

Potassium channel openers are effective in treating heart conditions, high blood pressure, pulmonary diseases, bladder issues, and hair loss, but more selective drugs are needed.

Trilostane effectively and safely treats dogs with pituitary-dependent hyperadrenocorticism, improving symptoms and adrenal gland size.