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High levels of testosterone and dihydrotestosterone inhibit hair cell growth, while high levels of estradiol promote it.

Alfredo Rebora suggested a new, easier way to classify hair loss in Telogen Effluvium, adding a type possibly related to autoimmune diseases.

Telogen is an active phase with important biological processes, not a resting phase.

Testosterone therapy helped 63% of androgen-deficient women grow scalp hair, but more research is needed.

Abietic acid from pine resin can effectively inhibit testosterone 5α-reductase.

Different skin cells process testosterone differently, and certain drugs can change this process, possibly helping treat acne and hair loss.

Leydig cells can cause testosterone-secreting adrenal tumors in women.

Testosterone can help premenopausal and postmenopausal women with low sexual desire, but its long-term safety is unclear and it's not widely approved for this use.

Researchers created a fast, accurate computer program to measure hair loss in alopecia areata patients.

The study concludes that a genetic mutation in TFM mice leads to reduced androgen receptor activity, affecting the body's response to male hormones.

Isotretinoin can cause serious birth defects and needs careful use, especially in pregnant women.

The study found three different timing patterns of symptoms in women with premenstrual dysphoric disorder.

Blood hormone levels don't accurately show brain hormone levels in males.

Telomere damage affects skin and hair follicle stem cells by messing up important growth signals.

Increasing Wnt5a in mice skin delays hair growth but doesn't stop it.

Curcumin and its derivatives can block an enzyme important for making testosterone, with one derivative being particularly strong.

Tectona grandis Linn. seeds extract improved hair growth in mice better than minoxidil.

Testosterone can slow hair growth in adult monkeys, but a blocker called RU 58841 can counteract this and potentially help hair regrow.

The treatment successfully lowered testosterone levels and reduced symptoms.

Minoxidil treatment may cause hair loss.

Men with baldness are more prone to skin cancers on the scalp due to sun exposure, not testosterone.

The method accurately measures hormones and endocannabinoids in mice, showing gut microbiota diversity affects these levels and may influence stress and reproductive systems.

Testosterone increases certain kidney protein levels, potentially raising blood pressure.

Telogen Effluvium is a condition causing excessive hair loss due to stress, illness, drugs, or hormonal changes, and can be treated with specific products or naturally resolves after 3-4 years.

The paper suggests improving diagnosis and treatment of telogen effluvium but does not recommend a new classification system.

A 5 mg dose of transdermal testosterone cream effectively restores testosterone levels in postmenopausal women.

The study introduced a new imaging technology to track skin healing and bone marrow cell activity over time.

Follicular unit hair transplantation is the standard method for natural-looking hair restoration in androgenic alopecia.

COVID-19 may cause hair loss and scalp pain due to inflammation and changes in hair follicle receptors, but these symptoms typically resolve in 2 to 4 months.

Triboelectric nanogenerators can power wearable medical devices for long-term self-treatment and monitoring.