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Small changes in hormones can significantly impact health, showing the importance of sensitive testing for chemicals that disrupt hormones.

Cholesterol transport in hair follicles decreases from growth to regression phase.

Small hormonal imbalances can cause significant health problems, so more sensitive testing for hormone-disrupting chemicals is needed.

COVID-19 can harm male fertility by reducing sperm stem cells and damaging testicular function.

Certain genetic markers linked to reproductive potential were identified by their impact on a protein's ability to bind to genes.

A substance called compound-1 could help increase hair growth by maintaining prostaglandin levels in hair follicles.

Hair sensitivity to androgens is partly controlled by specific enzyme expressions in different hair areas.

The proteins transthyretin and megalin are more present in the growth phase of hair, suggesting they might affect hair health and growth.

Androgens may cause hair loss by increasing TGF-beta1 from scalp cells, which inhibits hair cell growth.

Glycyrrhizic acid and licorice extract can significantly reduce unwanted hair growth.

Mothers and newborns with dental fillings have higher mercury in their hair, but adding fillings during pregnancy doesn't raise mercury levels further.

Male hormones affect COVID-19 severity and certain drugs targeting these hormones could help reduce the risk.

Arachidonic acid helps hair grow by increasing growth factors and improving follicle health.

Skin lymphatic vessels are essential for hair growth.

Different drugs are used to manage breeding, prevent or end pregnancy, and treat reproductive issues in dogs and cats.

The document explains how the male reproductive system works, its role in making testosterone, and how conditions like obesity can disrupt it, leading to low testosterone and fertility issues.

Chemicals and body size might change when puberty starts and progresses, but more research is needed to confirm this.

Scientists have developed a new method to detect steroid abuse in athletes using cell-based tests, which could be the future of anti-doping methods.

Eclipta prostrata helps hair growth and maintains the growth phase by affecting certain growth factors.

Metformin helps regulate menstrual cycles, induce ovulation, and improve pregnancy outcomes in women with PCOS.

A short male anogenital distance may indicate incomplete masculinization due to disrupted androgen action.

Cholesterol sulfate buildup due to a genetic mutation disrupts the skin barrier, leading to the scaling skin seen in X-linked ichthyosis.

Human skin cells have a high-affinity system for biotin transport, crucial for skin health.

Skin organoids from stem cells can help study and treat skin issues but face some challenges.

Human hair follicle stem cells can become smooth muscle cells using specific growth factors.

A certain mutation in the fetal alpha 5-reductase gene is linked to a higher risk of late miscarriage.

The improved surgical method increases success and reduces fetal loss in fetal mouse models for scarless skin healing.

Reduced neurosteroids and growth issues can harm fetal brain development, especially in males.

Neurosteroids help protect fetal brains from asphyxia damage.

Human amniotic stem cell exosomes may effectively treat hair loss by promoting hair regrowth.