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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.

Spheroid culture in agarose dishes improves survival and nerve cell growth in thawed human fat-derived stem cells.

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.

High levels of prolactin in the blood can be linked to widespread hair loss.

Finasteride treats enlarged prostate, shrinks it, improves urination, but may cause sexual dysfunction and isn't for women or children.

The conclusion is that recognizing hair growth cycles can improve the precision of dietary and health assessments from hair analysis.

Fadrozole and Finasteride change frog sex ratios and cause intersex animals with altered gene expressions.

The conclusion is that lifestyle changes and weight loss are first-line treatments for infertility due to anovulation, with various medications and assisted reproductive technologies as additional options.

The document concludes that inflammation markers can be used in diabetes, vitamin D3 affects immune pathways, hyperthyroidism changes hormone levels, androgen levels help diagnose Adrenocortical Carcinoma, erectile dysfunction is linked to diabetes, hypogonadism is common in HIV-infected males, and hormones can be biomarkers for various conditions.

Patients with systemic lupus erythematosus and hair loss had fewer hair follicles and non-scarring alopecia; direct immunofluorescence was not helpful in diagnosing lupus in these cases.

Chemotherapy and radiotherapy can cause skin side effects like rashes, hair loss, and nail changes, which are usually managed with conservative treatments.

Biologic treatments for Crohn's disease and ulcerative colitis can cause skin problems, and doctors should adjust treatment if these occur.

Long-term use of pyrithione zinc shampoos remains effective for scalp seborrheic dermatitis, with decreased effectiveness likely due to not following treatment instructions rather than the treatment itself.

Stress can worsen skin and hair conditions by affecting the skin's immune response and hormone levels.

Non-ablative fractional laser treatments have a low risk of side effects in Asian patients.

Patients with systemic lupus erythematosus and hair loss had non-scarring alopecia with fewer hair follicles, and direct immunofluorescence did not help identify lupus.

Women with lupus experienced non-scarring hair loss with fewer hair follicles, and the test for lupus in hair was not helpful.

Patients with SLE experienced non-scarring hair loss with fewer hair follicles, and DIF did not help identify lupus.

Capsaicin cream quickly relieved itching in two patients with brachioradial pruritus.

Parathyroid hormones are important for hair growth, but their use in treating hair loss from chemotherapy is still uncertain.

Medium-sized particles penetrate hair follicles better than smaller or larger ones, which could improve delivery of skin treatments.

Adrenal glands delay the start of winter fur growth in mink.

Low testosterone levels may contribute to female pattern hair loss in men.

Hormone therapy for trans individuals is effective and generally safe in the short term.

The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.

Finasteride can slow hair loss and promote growth in postmenopausal women.

Light can turn on hair growth cells through a nerve path starting in the eyes.

Different women's hair and skin glands respond to hormones in varied ways, which can cause unwanted hair growth even with normal hormone levels, and more research is needed to treat this effectively.

Artesunate is generally safe for severe malaria, but patients should be monitored for delayed anemia after treatment.

Hormone therapy for transgender females increases the risk of blood clots and requires careful dosing, monitoring, and lifelong management.