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Human skin can make serotonin and melatonin.

Neurosteroids are crucial for stress response, and targeting specific receptors may help treat certain disorders.

TGF-β is crucial for tissue repair and can cause diseases if not properly regulated.

Melanocyte stem cells in hair follicles are key for hair color and could help treat greying and pigment disorders.

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

Hidradenitis suppurativa, a chronic skin disease, can be managed with antibiotics, lifestyle changes, and in severe cases, surgery. Early diagnosis and careful planning are key, and laser treatment can be an efficient solution for mild to severe cases.

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

Msx and Dlx genes are crucial for development, controlling cell behaviors like growth and differentiation through their roles as gene regulators.

Stem cells are crucial for skin repair and new treatments for chronic wounds.

AGA causes hair loss by shrinking hair follicles due to DHT binding, and can be treated with finasteride and minoxidil.

Cells from balding scalps have more androgen receptors than cells from non-balding scalps.

Hair loss in women is genetic, diagnosed by examination and biopsy, and treated with minoxidil, finasteride, or transplantation.

The document concludes that understanding hair follicle biology can lead to better hair loss treatments.

Insulin resistance and obesity are key factors in the development and worsening of polycystic ovary syndrome, and lifestyle changes are important for managing it.

Melatonin is important for skin health and protection, and can be made by the skin or applied to it.

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.

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

The document provides a method to classify human hair growth stages using a model with human scalp on mice, aiming to standardize hair research.

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

Hair follicles help absorb and store topical compounds, aiding targeted drug delivery.

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

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.

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

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.

High levels of male hormones, insulin resistance, and obesity are closely linked and worsen polycystic ovary syndrome, but more research is needed to improve treatments.

Hair follicle development and microbes help regulatory T cells gather in newborn skin.

Metformin is effective for treating excessive hair growth in women with PCOS and may work better than the standard treatment in some ways.

Minoxidil boosts growth factor in hair cells, potentially promoting hair growth.

Alopecia areata is likely an autoimmune disease with unclear triggers, involving various immune cells and molecules, and currently has no cure.