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A new treatment for hair loss was tested and most participants saw their hair loss stop within 2-8 weeks, with up to 50% more hair after 4 months, and no side effects.

Mice with autoimmune hair loss showed signs of heart problems.

Male pattern baldness may be caused by factors like poor blood circulation, scalp tension, stress, and hormonal imbalances, but the exact causes are still unclear.

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.

A brain-made hormone can protect against memory-related brain damage caused by harmful proteins.

Sex hormones likely don't affect atopic dermatitis in adolescents and adults.

Testosterone therapy aims to treat hormone deficiencies and various conditions safely and effectively, but requires careful patient monitoring due to potential side effects.

Hair cortisol levels in primates are useful for stress assessment but vary by age, sex, species, and hair collection methods.

The supplement improved hair growth and quality in men with thinning hair and was safe to use.

A specific protein complex increases the activity of a plant enzyme, but this action is not required for plant root hair growth.

Impaired ABCA5 activity disrupts cholesterol balance in hair follicle cells, affecting hair growth.

Sex hormones may be linked to inflammation in Hidradenitis Suppurativa.

Men with more severe hair loss had a lower risk of schizophrenia, but hair loss and testosterone levels were not linked.

Transdermal testosterone can improve sexual desire in postmenopausal women but lacks long-term safety data and is not FDA-approved for this use.

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

The main prostate diseases in dogs are benign growth, infections, and cancer, with various treatments ranging from drugs to surgery, but cancer treatments have limited success.

Finasteride treatment changes Cx43 in rat testes, possibly causing fertility issues.

TGF-β is crucial for tissue repair and can cause diseases if not properly regulated.

Skin fat has important roles in hair growth, skin repair, immune defense, and aging, and could be targeted for skin and hair treatments.

Boxer and Labrador dogs' hair growth is affected by the tropical climate, but Schnauzers' is not.

Environmental factors at different levels control hair stem cell activity, which could lead to new hair growth and alopecia treatments.

Teloptosis is a key point in hair loss that could help in creating prevention-focused hair care strategies.

Sex neurosteroids cause different effects on hippocampal synaptic plasticity in males and females.

5α-reductase inhibitors can interfere with doping tests by masking banned substances.

Women with PCOS often have more sleep problems than the general population.

Hormonal therapies are effective for managing hair and skin symptoms in women with PCOS.

PRP injections help hair regrowth safely but may need more research.

Finasteride affects offspring's antioxidant enzymes in epididymis, possibly disrupting sperm maturation.

Allopregnanolone can reduce gut inflammation and normalize neurotransmitter levels after finasteride withdrawal.