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Most hair loss in captive rhesus macaques is likely due to environmental and behavioral factors.

A young woman's symptoms suggested PCOS, but tests and surgery confirmed and treated a rare ovarian tumor, resolving her condition.

Physical activity increased, but sedentary behavior also rose, especially in men.

Lower DHT and higher testosterone levels increase brain activation but don't change behavior in heavy drinkers.

Drug advertising has greatly increased, changing consumer behavior and raising concerns about its influence on healthcare and patient protection.

Skin structure complexity and variability are crucial for assessing skin toxicity in safety tests.

Scientists created 3D hair-like structures that could help study hair growth and test treatments.

Notch1 signaling is crucial for improving wound healing and skin regeneration by affecting stem cell behavior.

Stiffness gradients in alginate gels can guide cancer cell invasion and study cellular behaviors.

Genes related to pigmentation, body rhythms, and behavior change during hares' seasonal coat color transition, with a common genetic mechanism in two hare species.

Monitoring new epilepsy drugs after they're sold is crucial to find rare and long-term side effects that initial tests might miss.

Hormonal changes and psychological issues can cause sexual dysfunction in postmenopausal women. Behavioral therapy is recommended first, with hormone replacement helping some symptoms but not libido. Testosterone can improve libido, but its effects on overall sexual function are unclear. Emotional and relationship issues should be addressed before using medication, and the benefits and risks of testosterone supplementation should be considered.

Zebrafish larvae are used to study and find treatments for ear cell damage because they are easier to observe and test than mammals.

The conclusion is that the increasing use of drugs for lifestyle reasons is a complex issue influenced by corporate profit, consumer behavior, and the medicalization of everyday life, with potential negative effects on personal well-being.

Products should be called 'sperm-safe' only after thorough, well-designed tests.

We need better treatments for hair loss, and while test-tube methods are helpful, they can't fully replace animal tests for evaluating new hair growth treatments.

The document concludes that pig iPSCs show promise for transplant therapies and the field is advancing in controlling cell behavior for biology and medicine.

Testosterone is important for men's sexual function, may help some women's sexual desire, while other hormones and neurotransmitters also play complex roles in sexual behavior.

The paper concludes that drug labels should be clear for all, especially for those with low literacy, and suggests aiming for high comprehension test passing rates with diverse test populations.

The document explains the difficulty in diagnosing and treating brain diseases caused by the immune system and stresses the need for quick and accurate tests.

Runx1 controls fat-related genes important for normal and cancer cell growth, affecting skin and hair cell behavior.

Some acne medications have side effects; doctors should educate patients and may not need to do frequent lab tests for all.

Light scatters differently from elliptical hair fibers than from circular ones, and a new model better predicts this behavior, especially for shiny highlights.

Hair properties are interconnected; a comprehensive, cross-disciplinary approach is essential for understanding hair behavior.

The LED light therapy mask improved skin elasticity and reduced signs of aging in a test and in women aged 40-60.

Early neurosteroid changes can alter adult brain function and behavior.

Human hair's structure and properties were studied using advanced microscopes and mechanical tests.

Fibroblast behavior is key for skin structure and healing.

Behavioral interventions, especially habit reversal training, are most effective for treating trichotillomania in children.

The model helps test drugs for clubfoot fibrosis by mimicking cell environments and shows minoxidil reduces harmful collagen links.