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Certain genes affect udder shape in Holstein cows, important for health and milk production.

Scientists successfully created mouse hair proteins in the lab, which are stable and similar to natural hair.

Dehydroepiandrosterone (DHEA) is a prohormone important for producing sex steroids and has potential health benefits.

Certain liver diseases respond well to specific treatments and have varying risks for liver cancer.

TLR4 is important in aging-related diseases and could be a new treatment target.

A new vaccine using a porous scaffold boosts immunity and protects against the flu better than traditional methods.

Hair aging is caused by stress, hormones, inflammation, and DNA damage affecting hair growth and color.

Afro-textured hair needs personalized care due to its unique genetic traits.

Stress and hormones like progesterone can affect absence seizures, but their effects change with different life stages.

Androgens and androgen receptors are important for metabolic health, affecting how the body uses glucose and fats through mitochondrial function.

The enzyme Rand protease works well for leather dehairing and its stability is important, with Leu75 playing a key role.

Non-invasive methods show promise for diagnosing skin diseases like psoriasis and lupus but need more research for regular use.

Delta-opioid receptors affect skin cell circadian rhythms, possibly impacting wound healing and cancer.

Using combined treatments can help manage acne by targeting the bacteria and skin changes that cause it.

Hair in mammals likely evolved from glandular structures, not scales.

HSPGs help control stem cell behavior, affecting hair growth and offering a target for hair loss treatments.

PCOS is linked to diabetes and insulin resistance, and managing AGEs may help treat related symptoms.

Insulin resistance and high male hormone levels are major causes of Polycystic Ovary Syndrome.

A protein called FERONIA helps control root hair growth in response to cold and low nitrogen by activating nutrient-sensing pathways in a plant called Arabidopsis.

Vitamin E affects liver metabolism, enhancing stress resistance, reducing blood clotting, and altering hormone processing.

Hair absorbs alkali bromide salts and water, affecting its structure, with absorption decreasing at higher temperatures.

Testosterone significantly affects sexual desire in both men and women, but its impact on women is more complex and influenced by psychological factors.

The S250C variant in a gene may cause autoimmunity and immunodeficiency by impairing protein function.

Special proteins are important for skin balance, healing, and aging, and affect skin stem cells.

Minoxidil helps protect and rebuild elastic fibers in arteries, improving artery function, especially in older females.

The document concludes that there are still unknowns about the effectiveness, risks, and detection of performance-enhancing drugs, and doping remains a challenge.

Zinc is crucial for nutrition, especially in patients with specific health conditions, and requires careful supplementation and monitoring.

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

Sex hormones like estrogen and testosterone may affect COVID-19 severity differently in men and women, potentially influencing prevention and treatment strategies.

Human hair is made up of different keratins, some strong and some weak, with specific types appearing at various stages of hair growth.