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Stress can cause hair loss by negatively affecting hair follicles and this effect might be reversed with specific treatments.

Hair follicles are hormone-sensitive and involved in growth and other functions, with potential for new treatments, but more research is needed.

Prolactin affects hair growth cycles and can cause early hair follicle regression.

Certain steroids in the brain affect mood and symptoms of depression, and treatments targeting these steroids show promise for improving these symptoms.

Acne is caused by genetics, diet, hormones, and bacteria, with treatments not yet curative.

Neuroactive steroids show promise for treating mental and neurological disorders by targeting GABA_A receptors.

Minoxidil helps prevent stress-caused hair loss in mice.

Somatostatin may help protect hair follicles from immune attacks.

An 81-year-old man's white hair began to regain its original color while he was treated with lenalidomide, suggesting that graying hair might be reversible.

Ethosomes improve drug delivery through the skin but may have side effects like irritation.

Alopecia areata, a type of hair loss, is likely an autoimmune disease with a genetic link, but its exact cause is still unknown.

Estrogen increases blood vessel growth factor production, while testosterone blocks this increase.

Exosomes help nerve fibers grow by affecting specific cell signaling pathways.

Testosterone significantly affects sexual desire in both men and women, but its impact on women is more complex and influenced by psychological factors.

Stinging nettle has compounds that help with joint pain, arthritis, and prostate issues.

Finasteride may affect PNMT, causing side effects.

Psychotropic drugs can help treat skin conditions affected by mental health, but dermatologists must use them carefully due to side effects and patient concerns.

Neuroactive steroids may affect the risk and treatment of alcohol use disorders.

Old drugs like finasteride and spironolactone are being successfully used for hair loss and skin conditions, and many other drugs show promise for new uses in dermatology.

PDE inhibitors, especially PDE4 inhibitors like apremilast, are effective for certain inflammatory skin conditions but have side effects and can be costly.

The article concludes that understanding the molecular processes in hair follicle development can improve the quality of fibers like Angora and cashmere.

Male hormones may play a role in the development of heart disease, and more research is needed to understand their effects.

Melatonin affects many body functions beyond sleep by interacting with specific receptors in various tissues.

Hair follicle development is controlled by interactions between skin tissues and specific molecular signals.

Myo-inositol supplements may improve insulin sensitivity and help with conditions like PCOS and gestational diabetes, but more research is needed.

Human skin can make serotonin and melatonin, which help protect and maintain it.

Growing human skin cells in a 3D environment can stimulate new hair growth.

Melatonin may help with sleep issues, depression, and cancer, but more research is needed.

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

Bone Morphogenetic Proteins (BMPs) help control skin health, hair growth, and color, and could potentially be used to treat skin and hair disorders.