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Different processes create patterns in skin and things like hair and feathers.

Hair growth is influenced by hormones and goes through different phases; androgens can both promote and inhibit hair growth depending on the body area.

Hair follicles and deer antlers regenerate similarly through stem cells and are influenced by hormones and growth factors.

Hair follicle regeneration needs special conditions and young cells.

The document explains hair growth and shedding, factors affecting it, and methods to evaluate hair loss, emphasizing the importance of skin biopsy for diagnosis.

Reactive oxygen species (ROS) help control plant growth and development.

The study aims to find the best treatment for central serous chorioretinopathy by comparing various options.

Adult stem cells are important for tissue repair and have therapeutic potential, but more research is needed to fully use them.

Spironolactone treatment increases the amount of testosterone available in the body.

The conclusion is that certain genetic factors and blood types may affect COVID-19 severity, but changes in ACE2 and TMPRSS2 genes are not clearly linked to it.

Proteoglycans are important for hair growth, and a specific treatment can help reduce hair loss.

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

Men generally have more severe COVID-19 cases and higher death rates than women due to biological differences.

Finasteride affects hair growth by changing caspase and XIAP levels, potentially treating hair diseases.

Finasteride use can cause lasting negative effects like sexual dysfunction, depression, anxiety, and cognitive issues.

Certain genetic variations are linked to increased androgen levels in PCOS, but more research is needed to understand these connections fully.

Hair color production in mice is closely linked to the hair growth phase and may also influence hair growth itself.

Mesenchymal stem cell-derived exosomes significantly increase hair density and thickness in androgenic alopecia patients.

CDP is crucial for lung and hair follicle cell development.

Herbs might help with hair loss, but more research is needed to confirm their safety and effectiveness.

Injectables can feminize or masculinize a transgender person's face, but more research is needed for best practices.

Men, especially older ones with health issues like prostate cancer, may have worse COVID-19 outcomes and could benefit from therapies targeting male hormones.

Insulin resistance and obesity are key factors in the development and worsening of polycystic ovary syndrome, and lifestyle changes are important for managing it.

Ginsenoside Rg4 from ginseng may help hair growth by activating certain cell signals.

The current system can't fully test all combination treatments, so alternative methods and regulatory flexibility are needed.

Deoxycholic acid is FDA-approved for reducing submental fat, but its mechanisms are not fully understood.

Agouti protein affects melanocortin receptors through competitive antagonism and receptor down-regulation.

Maintaining the right amount of retinoic acid is crucial for healthy hair and skin.

Androgen suppression therapy (AST) doesn't significantly lower bladder cancer risk, but using finasteride, a type of AST, might decrease the risk. AST also lessens the chance of cancer coming back but doesn't really affect survival rates. More research is needed to understand AST's benefits for different bladder cancers.

Epigenetic changes control how adult stem cells work and can lead to diseases like cancer if they go wrong.