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Premature graying of hair is linked to vitamin D and B12 deficiencies, thyroid issues, iron imbalance, stress, and lifestyle habits, and affects quality of life.

Human hair keratins can self-assemble and support cell growth, useful for biomedical applications.

The 3D skin model is better for hair growth research and testing treatments.

The document concludes that finasteride can reduce nandrolone detection in doping tests, suggesting frequent testing and setting metabolite level thresholds for detection.

Women with PCOS often have hair loss, which is linked to acne or excess body hair but not to worse hormone or metabolic issues.

The Multi-Organ-Chip improves the growth and quality of skin and hair in the lab, potentially replacing animal testing.

Clinical signs of hyperandrogenism are related to female pattern hair loss severity, but biochemical markers are not.

The meeting highlighted the importance of genetic testing and multidisciplinary approaches in pediatric dermatology.

Testing basal 17-HP levels is a good way to screen for nonclassic adrenal hyperplasia in women with high androgen levels.

Many treatments for hair loss lack proper testing and FDA approval, so their effectiveness is uncertain.

The study concluded that testing hormone levels after stimulation is not reliable for identifying carriers of 21-hydroxylase deficiency; genetic testing is necessary.

Telogen effluvium is linked to deficiencies in iron, vitamin B12, and thyroid function.

Innovative methods are reducing animal testing and improving biomedical research.

Amenorrhea is relatively rare and initial testing should check FSH, TSH, and prolactin levels.

Both mouse and rat models are effective for testing alopecia areata treatments.

The review suggests thorough evaluation and genetic testing for proper diagnosis and treatment of Chrousos syndrome.

Polycystic ovary syndrome and iron overload share similar symptoms and can be potentially treated with blood removal, diet changes, and probiotics.

Agaricus subrufescens improves ovarian function and biochemical health in rats with PCOS.

Mice are useful for researching human hair loss and testing treatments, despite some differences between species.

Intermediate hair follicles are a better model for studying hair growth and testing hair loss treatments.

The new lab-grown skin model is good for testing sunscreen's protection against DNA damage from UV light.

Diagnosing hyperandrogenism in women is complex and requires accurate testing methods and consideration of SHBG levels.

Diagnosing simple-virilizing congenital adrenal hyperplasia can be difficult and requires thorough testing and expert advice.

Human hair follicle organ culture is a useful model for hair research with potential for studying hair biology and testing treatments.

Testosterone causes hair loss in AGA mice, which are good for testing baldness treatments, and both minoxidil and cyproterone acetate can prevent this hair loss.

The article concludes that developing in vitro models for human hair structures is important for research and reducing animal testing, but there are challenges like obtaining suitable samples and the models' limitations.

N-acetylcysteine may prevent hair loss caused by chemotherapy.

The document describes a way to measure biotin in blood to prevent wrong test results in hormone level testing.

High aldosterone and free testosterone levels link to female hair loss; testing aldosterone may predict hypertension risk.

Dutasteride treatment in men with mild to moderate COVID-19 reduced viral shedding, inflammation, and recovery time without serious side effects.