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Amenorrhea is relatively rare and initial testing should check FSH, TSH, and prolactin levels.

Tissue-resident memory T cells can protect against infections and cancer but may also contribute to autoimmune diseases.

Different scaffold patterns improve wound healing and immune response in mouse skin, with aligned patterns being particularly effective.

Compartmentalized organization might be crucial for stem cells to effectively respond to growth or injury.

There are still challenges in diagnosing and treating chronic skin diseases, but there is hope for future improvements.

Photothermal hydrogels are promising for infection control and tissue repair, and combining them with other treatments could improve results and lower costs.

Steroid sex hormones activate matriptase in prostate cancer cells but not in breast cancer cells.

Skin bacteria, specifically Staphylococcus aureus, help in wound healing and hair growth by using IL-1β signaling. Using antibiotics on skin wounds can slow down this natural healing process.

Oral retinoids can cause side effects ranging from mild to severe, including birth defects, and require careful monitoring and contraception.

Glutamine metabolism affects hair stem cell maintenance and their ability to change back to stem cells.

Working night shifts for four days can lower the body's ability to use insulin, which may increase the risk of type 2 diabetes.

Skin fat plays a key role in immune defense and healing beyond just storing energy.

Low doses of mixed chemicals cause permanent reproductive malformations in male rats.

Understanding how melanocyte stem cells work could lead to new treatments for hair graying and skin pigmentation disorders.

Systemic glucocorticosteroids are a primary treatment for various skin conditions but require careful management due to potential side effects and relapses.

Peptide hydrogel scaffolds help grow new hair follicles using stem cells.

The document concludes that identifying the cause of amenorrhea is crucial for proper treatment.

Smad1 and Smad5 are essential for hair follicle development and stem cell sleepiness.

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.

Male faces age with more wrinkles and hair loss, influenced by both body changes and environmental factors.

Researchers created a mouse model for Cushing's syndrome to study glucocorticoid excess and potential treatments.

The hydrogel speeds up skin wound healing and helps regenerate tissue.

Post-finasteride syndrome causes lasting sexual, neurological, and physical side effects in some people after taking finasteride.

Mobile phone radiation may cause DNA damage in human ear hair follicle cells.

Using certain small proteins with a growth factor and specific materials can increase the creation of neurons from stem cells.

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

Finasteride improves hair growth and reduces hirsutism in women, but side effects and optimal dosages need further research.

Women have a higher risk of blood clots from hormonal factors and need careful treatment, especially during pregnancy.

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.

Teriflunomide effectively reduces relapses and disability in MS and has a manageable safety profile.