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Amenorrhea, or the absence of periods, should be evaluated by age 15 or within five years of early breast development, and is most commonly caused by conditions like polycystic ovary syndrome and hypothalamic amenorrhea.

Amenorrhea is when a woman doesn't have periods, with primary amenorrhea starting by age 15 or within five years of breast development, and secondary amenorrhea when periods stop for three months. It affects 3-4% of women not pregnant, breastfeeding, or in menopause, mainly due to polycystic ovary syndrome, hypothalamic amenorrhea, hyperprolactinemia, and ovarian failure.

Skin aging is largely due to differences in stiffness and elasticity between skin layers, leading to wrinkles.

Get head MRI for babies with achondroplasia early, use free immunoglobulin light chains to detect certain neurodevelopmental disorders, and video calls work for speech therapy in patients with facial anomalies.

Diagnosing hyperandrogenism in women is complex and requires accurate testing methods and consideration of SHBG levels.

The document outlines steps for moving fat from one body part to another.

People who are more materialistic often expect life changes from buying things, leading to more debt and credit misuse.

Lymphatic vessels are essential for health and can be targeted to treat various diseases.

Metal organic frameworks-based scaffolds show promise for tissue repair due to their unique properties.

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

Enzymes play crucial roles in metabolism, health, and disease management.

Nanotechnology is improving drug delivery and targeting, with promising applications in cancer treatment, gene therapy, and cosmetics, but challenges remain in ensuring precise delivery and safety.

Finding new uses for existing drugs is promising and can lead to safer, more effective medicines.

Keratinocytes and adipose-derived stem cells can effectively heal difficult skin wounds.

Primary care is key in managing PCOS, focusing on lifestyle changes and medications like birth control and metformin.

Adding amber particles to polyamide fibers makes them suitable for medical textiles like compression socks.

The document explains how to do skin procedures, care after surgery, and when to use certain treatments.

Hox proteins help maintain keratinocyte identity by regulating miRNA expression.

The symposium concluded that understanding the molecular mechanisms of skin aging could lead to better clinical practices and treatments.

Juvéderm Ultra Plus is safe and effective for treating severe nasolabial folds in Chinese subjects.

Different species and human skin models vary in their skin enzyme activities, with pig skin and some models closely matching human skin, useful for safety assessments and understanding the skin's protective roles.

Chemicals and body size might change when puberty starts and progresses, but more research is needed to confirm this.

Small molecule drugs show promise for advancing regenerative medicine but still face development challenges.

Blocking the enzyme 5α-reductase can shrink the prostate and help treat enlarged prostate issues.

Microneedle technology is effective for skin rejuvenation and enhancing cosmeceutical delivery, with ongoing innovation and increasing commercialization.

Methotrexate is not proven to maintain remission in ulcerative colitis.

The method creates realistic, anonymous acne face images for research, achieving 97.6% accuracy in classification.

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.

Some plants used in traditional medicine may help treat cancer because they contain proteins that can inactivate ribosomes.

Postmenopausal ovary stromal cells have a unique makeup and limited steroid production, suggesting androgens come from the adrenal gland.