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Alopecia in captive rhesus macaques is affected by season, sex, age, housing, and stress, with complex links between stress hormones and hair loss.

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.

Different monkey species in a lab showed varying levels of hair loss due to factors like type, sex, age, season, and living conditions.

After tumor removal, the woman regained normal hormone levels, menstruated, and had a healthy baby.

A 20-year-old woman was found to have a rare ovarian tumor causing symptoms like acne and a low-pitched voice, which disappeared after the tumor was removed.

About 11% of patients with secondary syphilis had Syphilitic Alopecia, which usually improved with treatment.

A woman with childhood growth hormone deficiency had multiple hormone deficiencies and developed serious lung and kidney problems later in life.

A young man's hair loss was the only sign of syphilis, which improved after treatment.

Lower testosterone levels may increase heart failure risk in older men.

Melasma's causes include genetics, sun exposure, hormones, and oxidative stress, and understanding these can help create better treatments.

Changes in gut bacteria can contribute to the development of Polycystic Ovary Syndrome (PCOS), affecting metabolism, immunity, and causing inflammation. Treatments may involve adjusting these factors.

Many women with polycystic ovary syndrome have normal blood sugar, but some may have higher blood sugar levels or diabetes, especially if they are older, overweight, and have certain hormone levels.

A new gene mutation causes complete androgen insensitivity in a 16-year-old with a female appearance.

PCOS may be linked to spina bifida in young females.

Changing light exposure boosts hormone levels and antioxidant activity, improving cashmere growth in goats.

Dermal papilla cells can help regrow hair and are promising for hair loss treatments.

Circular RNA ERCC6 helps activate stem cells important for cashmere goat hair growth by interacting with specific molecules in an m6A modification-dependent way.

Hair loss due to scarring can be treated by reducing inflammation, removing scar tissue, and transplanting hair. The Follicular Unit Extraction technique is effective but requires skill and time. Future focus should be on scar-less healing methods.

The black orchid Brasiliorchis schunkeana produces chemicals that attract certain insects and have potential antimicrobial properties.

Lipid Accumulation Product and Free Androgens Index are effective for assessing fatty liver disease risk in women with Polycystic Ovary Syndrome.

Genes and epigenetic changes are important in the development of Polycystic Ovary Syndrome.

Pediatric endocrinologists should provide early fertility counseling and preservation options to young patients at risk of infertility.

Titanium dioxide nanoparticles may harm the male reproductive system.

β-catenin, Shh, and Bmp signaling control hair follicle development.

A very-low-calorie diet led to more weight loss and health improvements in obese women with PCOS than a moderate energy deficit diet.

The study concluded that similar pathways regulate hair growth in dogs and mice, and these pathways are disrupted in dogs with Alopecia X, affecting stem cells and hormone metabolism.

Higher BMI and lower testosterone are linked to more aggressive prostate cancer.

Most men with Frontal fibrosing alopecia also lose facial hair and the condition may be linked to hormone levels and sunscreen use.

Retinoic acid affects male and female muscle energy use and function differently.

High androgen levels in postmenopausal women may suggest an ovarian tumor, and removing it can improve heart and metabolic health.