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Metformin lowers prolactin in women without PCOS but not in those with PCOS, where it reduces other hormones instead.

Gender affects hair and scalp characteristics, with differences in hormone responses, graying patterns, and trace metals.

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

The enzyme 5α-reductase type 1 is important for blood vessel development and fertility in the uterus.

The enzyme 5α-reductase is important for proper blood vessel development during the fertility-related transformation of the uterus lining.

Animals that change color with the seasons mainly do so in response to daylight changes, but climate change is causing camouflage problems that may require evolutionary changes.

Hair growth is influenced by interactions between skin layers, growth factors, and hormones, but the exact mechanisms are not fully understood.

Prolactin affects the production of different keratins in human hair, which could lead to new treatments for skin and hair disorders.

Melatonin increases cashmere quality in goats but reduces their milk production and doesn't affect their offspring's hair growth.

Short daily photoperiods improve cashmere production in Inner Mongolia white cashmere goats.

The spiny mouse is a unique menstruating rodent that can help us understand menstruation and reproductive disorders.

Neurohormones help control skin health and could treat skin disorders.

The document explains how certain drugs block hormones to treat cancers like breast and prostate cancer.

Minoxidil can cause severe skin reactions like Stevens-Johnson syndrome in rare cases.

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

Review finds no permanent solution for female hair loss.

Review determines effective, safe treatments for female hair loss.

PCOS is a complex condition in women that can lead to health issues, and lifestyle changes are the best management approach.

Angora goats produce more hair faster than Cashmere goats.

Angora goat hair grows faster and produces more protein than cashmere goat hair, and certain hormones and nutrients positively affect hair growth and protein synthesis.

Prolactin may play a significant role in skin and hair health and could be a target for treating skin and hair disorders.

Androgens like testosterone affect hair growth and oil production differently across body parts and individuals.

Finasteride may decrease semen quality but not harm sperm production, and stopping the drug can improve semen quality; hyperprolactinemia can cause infertility but is treatable with medication.

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

Short photoperiods improve cashmere growth and quality in goats by changing hormone levels and gene expression.

Prolactin and melatonin affect the growth of Angora and Cashmere goat hair differently.

The article concludes that better understanding gene regulation related to seasonal changes can offer insights into the mechanisms of seasonal timing in mammals.

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.

Melatonin implants affect the growth and pattern of cashmere goat fleece depending on the time of year they are given.

The RORα gene is active in different parts of cashmere goat hair follicles and may be influenced by melatonin, especially in December when hair growth changes.