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High doses of testosterone disrupt hormone levels and receptor expression in the uterus, affecting fertility.

Chromosomal differences affect how muscle cells respond to testosterone.

More research is needed to understand how testosterone is maintained in adult males.

Diagnosing sex development disorders requires combining medical history, physical exams, imaging, lab tests, and genetic data.

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.

The document tests knowledge and decision-making in hematology through multiple-choice questions.

The androgen receptor's shape-changing ability helps it function but can lead to cancer treatment resistance.

Terminalia bellirica extract may help promote hair growth and prevent hair loss caused by testosterone.

Hormones, especially testosterone and DHT, are key for penis development and function, and testosterone therapy may help with erectile dysfunction in those with low levels.

Children's hairlines change shape as they grow, with women often developing a widow's peak and men's hairlines becoming more convex and possibly balding at the temples, influenced by genetics and hormones.

Merino wool fibers change shape with moisture, while human hair shape stays the same.

Using SNP array testing helped quickly find the gene causing Woodhouse-Sakati syndrome in two related individuals.

Different hair types from various ethnic groups affect hair shine due to characteristics like thickness and shape.

Hair fiber shape and curvature are not significantly linked when ancestry is considered.

Quantifying hair shape is better than using racial categories for understanding hair characteristics.

Innovative methods are reducing animal testing and improving biomedical research.

SHISA6 helps maintain certain stem cells in mouse testes by blocking signals that would otherwise cause them to differentiate.

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

Researchers developed a quick and reliable method to test for betamethasone dipropionate and calcipotriol in ointments and drugs.

Healthcare providers should start with simple fertility tests and treatments before referring patients to specialists.

Povidone iodine reduced skin bacteria more than chlorhexidine gluconate, but neither met FDA reduction standards.

Creators of YouTube 'bro-science' baldness videos are driven by a need to share and persuade, often emphasizing authenticity and community building, while navigating trust issues related to commercial ties.

The gene Prss53 affects hair shape and bone development in rabbits.

Stopping minoxidil and draining fluid around the heart can save lives in rare cases.

A new antiandrogen compound was made and its detailed three-dimensional shape was described.

Dutasteride and finasteride may reduce sperm count and volume but don't affect movement or shape; effects are reversible after stopping.

α3β1-integrin is crucial for maintaining normal hair follicle shape and function but not needed for the development of the surrounding skin.

The gene KAP22-1 affects wool yield and fiber shape in sheep.

Canine hair follicles have stem cells similar to human hair follicles, useful for studying hair disorders.

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