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Prolactin slows down hair growth in mice.

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

*Acorus calamus* has many medicinal benefits but needs more safety research.

Hormones during pregnancy and lactation keep skin stem cells inactive, preventing hair growth.

Adrenal disorders can cause lasting brain and behavior issues in children.

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

St. John's Wort can cause dangerous high blood pressure if taken with certain foods.

Prolactin may affect hair growth differently based on gender and scalp area.

Stress and alcohol affect brain chemicals differently in rats, mice, and humans, influenced by genetic differences.

Finasteride reduces alcohol withdrawal severity in male mice but increases it in female mice.

Skin organoids are a promising new model for studying human skin development and testing treatments.

Neuroactive steroids could become safe, effective treatments with more understanding of their complex brain actions and metabolism.

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.

The research suggests that Tourette syndrome is linked to both brain signaling and immune system pathways.

Finasteride given to baby rats causes anxiety-like behavior and worsens learning from punishment in adult rats.

Menopausal women have higher androgen levels, which can cause symptoms like facial hair growth and low sexual desire.

Using neurohormones to control keratin can lead to new skin disease treatments.

Mutations in the HEPHL1 gene cause abnormal hair and cognitive issues.

Finasteride can cause sexual problems and depression in young men.

Lack or blocking of SRD5a, a key component in hormone creation, can lead to conditions like pseudohermaphrodism and affect hair growth, bone mass, muscle strength, and reproductive health. More research is needed on its regulation from fertilization to adulthood.

Finasteride reduces alcohol withdrawal severity and anxiety in mice, but may increase withdrawal severity in some cases.

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.

Leucaena leucocephala is nutritious but needs careful processing to remove toxins.

Polydeoxyribonucleotide (PDRN) may help lighten skin and treat hyperpigmentation.

Certain proteins and their receptors are more active during the growth phase of human hair and could be targeted to treat hair disorders.

COVID-19 and hypopituitarism (reduced pituitary gland function) are linked, with the latter's related health issues potentially worsening COVID-19 outcomes, and COVID-19 possibly increasing risk for pituitary complications.

Exosomes help nerve fibers grow by affecting specific cell signaling pathways.

Dogs with sex hormone imbalances may not drink or pee a lot but often lose hair on their body and can have reproductive system issues.

Early diagnosis and treatment of PCOS in teenagers can help prevent more severe adult PCOS.

The meeting highlighted important advances in stem cell research and its potential for creating new medical treatments.