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The guidelines advise against using testosterone and DHEA in women for most conditions due to safety and effectiveness concerns, but suggest considering testosterone for postmenopausal women with low sexual desire.

The Rotterdam Study updated its design and objectives in 2012, providing insights into various diseases in the elderly, including skin cancer, bone health, liver disease, neurological and psychiatric conditions, and respiratory issues.

Hair loss and aging are caused by the breakdown of a key protein in hair stem cells.

Fat cells help recruit healing cells and build skin structure during wound healing.

The timing of when the gene Bmal1 is active affects aging and survival, with its absence during development, not adulthood, leading to premature aging.

FPHL affects hair density and diameter, causing visible hair loss in older women.

Creating stronger blockers for skin enzymes might lead to better treatment for conditions like acne and excessive hair growth.

Adding anti-Müllerian hormone to PCOS criteria lowers the number of women diagnosed.

Mice lacking the PPARγ gene in their fat cells had almost no fat tissue, severe metabolic problems, and abnormal development of other fat-related tissues.

Chemotherapy causes hair loss by damaging hair follicles and stem cells, with more research needed for prevention and treatment.

Guidelines suggest various treatments for alopecia areata, but leaving it untreated is also an option as 80% cases may recover on their own.

The document concludes that the 5 alpha-reductase enzymes are important in steroid metabolism and related to various human diseases, with inhibitors used to treat conditions like male pattern baldness and prostate issues.

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

Telogen effluvium is a reversible hair loss condition that requires a detailed diagnosis and often resolves on its own.

Many COVID-19 patients still have symptoms like fatigue and loss of taste or smell a month after diagnosis.

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.

Planarian regeneration begins with a specific gene activation caused by injury, essential for healing and tissue regrowth.

Minoxidil and finasteride treat hair loss in men, while minoxidil treats hair loss in women.

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

Platelet-rich plasma treatment significantly increased hair regrowth and decreased discomfort in alopecia patients, making it a potentially better and safer treatment option.

Scientists have found a way to create hair follicles from skin cells of newborn mice, which can grow and cycle naturally when injected into adult mouse skin.

Lactate production is important for activating hair growth stem cells.

Artificial skin development has challenges, but new materials and understanding cell behavior could improve tissue repair. Also, certain growth factors and hydrogel technology show promise for advanced skin replacement therapies.

Metformin helps manage polycystic ovary syndrome by improving insulin resistance and ovulation, but more research is needed on its full effects.

A gene called APCDD1, which controls hair growth, is found to be faulty in a type of hair loss called hereditary hypotrichosis simplex.

Use minoxidil for hair loss; finasteride and dutasteride for men, dutasteride for women.

Lifestyle changes can improve body composition, excess male hormone levels, and insulin resistance in women with PCOS.

Dermoscopy helps diagnose and manage alopecia areata by showing specific hair changes.

Sebocytes play a key role in controlling androgen levels in human skin.

Most women with excess hair growth have an underlying hormonal issue, often treated with medication and hair removal methods.