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Animals that change color with the seasons mainly do so in response to daylight changes, but climate change is causing camouflage problems that may require evolutionary changes.

Hormones like estrogen, testosterone, progesterone, and prolactin play complex roles in female sexual function, with testosterone potentially improving sexual desire, arousal, and satisfaction. However, more research is needed to establish safe and effective hormone treatments for female sexual dysfunction.

Hair ages due to genetics and environmental factors, leading to graying and thinning, with treatments available for some conditions.

Prolactin affects hair growth and skin conditions, and could be a target for new skin disease treatments.

Androgens can both stimulate and cause hair loss, and understanding their effects is key to treating hair disorders.

The document concludes that accurate diagnosis and personalized treatment are important for skin problems in women with PCOS.

Treatments for permanent hair loss from scarring aim to stop further loss, not regrow hair, and vary by condition, with partial success common.

Spironolactone most effective for hirsutism, but has side effects.

5α‐reductase isozymes are crucial for prostate development and health, and targeting them can help prevent and treat prostate issues.

Stem cells from hair follicles can safely treat hair loss.

Correcting nutrient deficiencies may help with hair loss, but the benefits of supplements without a deficiency are uncertain and could be harmful.

The FOXN1 gene is crucial for developing immune cells and preventing immune disorders.

The document concludes that for hair and feather growth, it's better to target the environment around stem cells than the cells themselves.

Metabolic syndrome and PCOS are related but separate conditions, with metabolic syndrome increasing the risk of heart disease and diabetes.

The document concludes that targeting 5α-reductase, the androgen receptor, and hair growth genes, along with using compounds with anti-androgenic properties, could lead to more effective hair loss treatments.

Genetics and hormones cause hair loss; finasteride treats it safely.

Impaired androgen production in 46,XY DSDs causes ambiguous genitalia and requires long-term care.

Androgen conjugates might be better indicators of skin sensitivity to hormones in women with excessive hair growth.

People with PCNT mutations often develop severe insulin resistance and early-onset diabetes during childhood or adolescence.

The research found that anovulatory young women have higher androgen and hormone levels than those who ovulate, suggesting immature hormonal regulation rather than a specific condition.

The document concludes that mouse models are crucial for studying hair biology and that all mutant mice may have hair growth abnormalities that require detailed analysis to identify.

Effective management of children's hair loss involves accurate diagnosis, various treatments, and supportive care.

The dietary supplement helped increase hair growth in women with hair loss.

Testosterone and dihydrotestosterone affect hair growth, and new techniques like the folliculogram help study it, but fully understanding hair growth is still complex.

Accurate diagnosis is key for treating different kinds of hair loss, and immune response variations may affect the condition and treatment results.

Finasteride caused long-term sexual and non-sexual side effects in young men with hair loss.

Genetic mutations can cause hair growth disorders by affecting key genes and signaling pathways.

Hormones during pregnancy and lactation keep skin stem cells inactive, preventing hair growth.

The French Endocrine Society suggests diagnosing PCOS with two of three signs, recommends lifestyle changes and clomiphene for treatment, and calls for more research on certain treatments and tests.

Vitamin D3 analogs can promote hair growth in mice genetically prone to hair loss.