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Medium-sized particles penetrate hair follicles better than smaller or larger ones, which could improve delivery of skin treatments.

New nanofiber technology improves wound healing by supporting cell growth and delivering treatments directly to the wound.

Teriflunomide helps reduce multiple sclerosis symptoms and is safe for most patients.

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

Apoptosis is essential for human skin development and forming a functional epidermis.

Melatonin in the skin helps protect against damage from stress and UV rays, and could be used to treat certain skin conditions.

The guidelines advise against using testosterone and DHEA in women for most conditions due to safety and effectiveness concerns, but suggest considering testosterone for postmenopausal women with low sexual desire.

Human skin can make serotonin and melatonin.

The Rotterdam Study updated its design and objectives in 2012, providing insights into various diseases in the elderly, including skin cancer, bone health, liver disease, neurological and psychiatric conditions, and respiratory issues.

The document concludes that the fast-growing direct-to-consumer genetic testing market lacks sufficient regulation, posing risks to consumers due to questionable test quality and accuracy.

Dermoscopy is a useful tool for identifying features of skin conditions, but more research is needed to define its role in dermatology.

Hair loss and aging are caused by the breakdown of a key protein in hair stem cells.

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

Patients need long-term care after bariatric surgery to manage potential nutritional and metabolic issues.

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

Finasteride doesn't effectively treat hair loss in postmenopausal women.

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.

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

Middle-aged women with chronic telogen effluvium experience increased hair shedding but usually don't get significantly thinner hair.

Chitin and chitosan are useful in cosmetics for oral care, haircare, and skincare, including UV protection and strength improvement.

Acne affects most teenagers and can continue into adulthood, with various treatments available that show improvement but have concerns like antibiotic resistance and side effects.

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.

Some patients taking finasteride or dutasteride may have ongoing sexual problems and depression even after stopping the medication.

Tofacitinib is safe and effective for severe alopecia areata, but hair loss may return 2 months after stopping treatment.

Adding anti-Müllerian hormone to PCOS criteria lowers the number of women diagnosed.

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

The Rotterdam Study aims to understand various diseases in older adults.

Mice lacking the PPARγ gene in their fat cells had almost no fat tissue, severe metabolic problems, and abnormal development of other fat-related tissues.