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Measuring reproductive hormones in brown bear hair could help identify their sex and reproductive state, but better collection methods or lab techniques are needed.

The document concludes that understanding health requires considering evolutionary perspectives on reproductive fitness, and recognizing the complexity of factors like diet, testosterone, and sexual orientation.

Manage women's cholesterol with diet, exercise, and careful treatment choices, especially during pregnancy, PCOS, and menopause.

Hair loss peaks in spring and regrowth in late summer, with pregnant females losing the most hair.

Goat reproductive activity and coat growth are affected by light and temperature, with temperature altering prolactin levels and hair growth, but not melatonin or estrus onset.

Certain genetic markers linked to reproductive potential were identified by their impact on a protein's ability to bind to genes.

Men who start puberty later may have lower sperm quality and different hormone levels in adulthood.

Men born very underweight had higher estrogen levels but normal reproduction compared to normal birth weight men.

The guide recommends specific methods for diagnosing PCOS and various treatments for its symptoms, while considering the health impacts on adolescents.

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

Environmental factors and exposure to toxins may contribute to male infertility by affecting sperm and hormone function.

Most women with hirsutism have it because of PCOS, and they need long-term treatment including medication and hair removal to improve their condition.

The conclusion is that while oral contraceptive pills are effective for PCOS-related high androgen levels, new treatments with fewer side effects are needed.

The document concludes that sex hormones are crucial for mammalian reproduction, health, and behavior, and require more research for therapeutic use.

Moving horses to new places can increase their stress levels, as shown by higher stress hormone in their hair.

The article concludes that better understanding gene regulation related to seasonal changes can offer insights into the mechanisms of seasonal timing in mammals.

Selenium might help with insulin resistance and cholesterol in PCOS, but more research is needed to confirm its benefits.

Testosterone therapy seems safe for postmenopausal women for a few years, but more research is needed for long-term effects.

High levels of male hormones in pregnant mice cause heart enlargement and poor heart function in their female babies.

Androgen receptors in the mouse brain may explain cognitive and mood changes in prostate cancer treatment.

The conclusion is that a more comprehensive and precise approach is needed for diagnosing PCOS to address its broader health risks.

Trilostane effectively improved symptoms in dogs with a certain adrenal gland disorder.

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.

Sarcoptes scabiei infection causes significant health and behavior changes in wombats.

Researchers found genes that control hair color and growth change before the visible coat color changes in snowshoe hares.

The L457(3.43)R mutation in the human lutropin receptor causes increased activity and hormone insensitivity, leading to precocious puberty.

Mice lacking steroid 5α-reductase 2 show less aggression and better impulse control.

Environmental factors like diet and vitamin levels, especially Vitamin D, can affect autoimmune diseases differently, with lifestyle changes potentially improving outcomes.

Older patients with Cushing's syndrome often have different symptoms and treatment outcomes compared to younger patients.

Men are getting more beard transplants to look better and follow fashion trends.