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Researchers created a mouse with the same mutation as humans with trichothiodystrophy, showing similar symptoms and confirming the condition is due to defects in DNA repair and gene activity.

Dermal macrophages might help regrow hair.

Starving yourself can cause hair loss, but stopping the diet can improve it.

A protein called lfTSLP is important in causing allergic and other skin diseases and could be a target for treatment.

Grape seed extract is good for skin care, with antioxidant, anti-inflammatory, and anti-cancer effects.

Phosphorylation of certain parts of the PIN3 protein is crucial for its role in plant root growth and response to gravity.

Finasteride increases hair count in middle-aged and elderly men without causing sexual dysfunction.

The document concludes that treatments like oral anti-androgens, minoxidil, and topical spironolactone can be effective for hair loss in men and women.

In situ DNA labeling in hair can help predict forensic DNA analysis success.

Most adult females with acne do not have hormonal imbalances, but some show signs of excess male hormones.

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

Pregnancy and nursing increase certain brain activities in rats, but these changes disappear when the babies are taken away.

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

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.

New biofabrication technologies could lead to treatments for hair loss.

PCOS symptoms change with age; younger women have higher androgen levels and less metabolic issues, while older women face more metabolic challenges despite milder PCOS symptoms.

Age affects how certain proteins involved in COVID-19 infection are expressed in mice, but sex hormones and heart injury do not.

Stopping S100A3 activity slows down hair growth in mice.

Various potential triggers may be causing the rise in frontal fibrosing alopecia, and avoiding these could help stop the disease's increase.

Ethnic hair products contain different allergens than nonethnic ones, with fragrance being the most common in ethnic products.

Human growth factor 20 can boost mouse whisker growth.

Higher androgen levels do not cause baldness in men.

Certain small molecules can help regrow hair by turning on the body's cell cleanup process.

The protein SLC1A3 is important for activating skin stem cells and is necessary for normal hair and skin growth in mice.

A new small peptide may help hair growth by activating a specific receptor and should be tested in humans.

The FUE hair transplant technique provides a natural and satisfying solution for male pattern baldness.

A Persian cat and its owner fully recovered from Cheyletiellosis after treatment.

Genetic discoveries are leading to new treatments for alopecia areata.

PCOS is a common hormonal disorder in women that can lead to serious health problems.