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Hair follicle size is mainly influenced by the number of cells and extracellular matrix volume, with cell number having a larger impact.

Hormones like estrogen, testosterone, progesterone, and prolactin play complex roles in female sexual function, with testosterone potentially improving sexual desire, arousal, and satisfaction. However, more research is needed to establish safe and effective hormone treatments for female sexual dysfunction.

Testosterone's effects on COVID-19 are unclear and need more research.

Scientists successfully created and analyzed the structure of a part of the human androgen receptor with specific modulators and a peptide to understand how it binds differently in various tissues.

Androgens contribute to common male hair loss; more research needed for hair growth medication.

The treatment reduced hair growth and testosterone in women with excess hair and had some effects on stress responses.

Women with PCOS may have a higher risk of severe COVID-19 due to hormonal imbalances and vitamin D deficiency.

Hair loss in Androgenetic alopecia (AGA) is due to altered cell sensitivity to hormones, not increased hormone levels. Hair growth periods shorten over time, causing hair to become thinner and shorter. This is linked to miscommunication between cell pathways in hair follicles. There's also a change in gene expression related to blood vessels and cell growth in balding hair follicles. The exact molecular causes of AGA are still unclear.

Dihydrotestosterone makes arteries stiffer in female mice by reducing estrogen receptor expression.

LLLT increases hair density and growth in AGA patients.

The growth factor cocktail significantly increased hair growth in patients with androgenetic alopecia.

Exposure to too much androgen before birth might cause polycystic ovary syndrome later in life.

Finasteride effectively treats enlarged prostate and male baldness, improves symptoms of hirsutism in women, but doesn't work for acne, and may delay prostate cancer progression with few side effects.

Finasteride effectively treats hair loss and enlarged prostate in men, with mild side effects.

Blocking androgen activity in newborn rats affects body weight and appetite-related hormones differently in males and females.

Women with PCOS and hair loss have lower levels of the protein gelsolin in their blood.

Hormones, especially testosterone and DHT, are key for penis development and function, and testosterone therapy may help with erectile dysfunction in those with low levels.

Low dose oral minoxidil helps regrow hair in permanent chemotherapy-induced alopecia.

Finasteride reduces prostate cancer risk but may increase high-grade cancer chances.

Dihydroartemisinin helps reduce prostate enlargement in rats by stopping the growth of prostate cells.

The topical treatment reduced hair loss and improved hair growth in patients with certain types of hair loss.

Higher dihydrotestosterone may be linked to more inflammation in COVID-19 patients with low testosterone.

Exposure to certain sex hormones can increase health risks, while some hormone therapies may offer benefits for specific conditions.

Both sildenafil and minoxidil effectively treat male hair loss, but impact hair differently.

Sons of mothers with polycystic ovary syndrome (PCOS) have a higher risk of obesity and insulin resistance, possibly due to certain genes and factors passed down from their mothers.

Hormonal changes and conditions like polycystic ovarian syndrome are major causes of adult acne in women, with varying prevalence among different ethnicities.

Mesotherapy is not significantly better than minoxidil for treating male hair loss.

The treatment might help COVID-19 related hair loss, but more research is needed.

Minoxidil 2% is more effective for female hair loss, but botanicals have fewer side effects.

Finasteride helps hair growth and prostate issues but may cause sexual side effects and increase tumor risk.