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Male rats grow hair faster than females, and certain hormones can slow or slightly increase hair growth, but not significantly beyond natural rates.

A scalp infection can look like alopecia areata and get worse if treated incorrectly.

Acne in children varies by age and severity, requires a pediatric treatment approach, and may need diagnostic evaluation for underlying conditions.

Hair breaks differently when wet or dry and is affected by its condition and treatments like perms and bleaching.

Peginterferon alfa-2b and ribavirin therapy for hepatitis C can cause serious side effects, some different from those reported in clinical trials.

Endoscopic brow-lift is effective and well-tolerated, with high patient satisfaction and improved appearance.

Men with hair loss don't necessarily have higher levels of the hormone DHEA-S, but this hormone tends to decrease with age.

Canine hypothyroidism can be linked to diabetes, requiring thorough testing for proper diagnosis.

Selenium can be toxic to animals, causing serious health issues, especially in horses.

PTHrP and its receptor can control blood vessel growth and hair development in mouse skin.

Fulvestrant is a well-tolerated new treatment for advanced breast cancer that may delay chemotherapy.

The document discusses new insights into how hormones affect male sexual health and related conditions.

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.

Polycystic ovaries are defined by having 12 or more small follicles in each ovary and are found in up to 33% of women, while Polycystic Ovary Syndrome (PCOS) is the most common hormone disorder in women of reproductive age, potentially increasing risk of obesity, diabetes, and heart diseases.

Insulin-sensitizing drugs like metformin can help with ovulation, weight loss, and lower testosterone in some women with PCOS.

High insulin levels are more common and a better predictor of carbohydrate issues in women with PCOS than glucose tolerance tests.

Wnt signaling is crucial for skin wound healing and reducing scars.

Hydrocolloid wound dressings emit energy that affects human tissue metabolism.

Small changes in hormones can significantly impact health, showing the importance of sensitive testing for chemicals that disrupt hormones.

The document outlines a method for diagnosing hair loss and suggests specific treatments based on the diagnosis.

A postmenopausal woman's increased male hormone levels were successfully treated with surgery.

A man with hypoparathyroidism had other health issues that led to a diagnosis of a rare autoimmune disorder, APS-1.

Long-term testosterone therapy can cause hormone suppression, affect prostate and heart health, and alter physical characteristics, but does not increase prostate cancer risk and needs more research for full risk assessment.

Siblings with signs of virilization should be tested for non-classical congenital adrenal hyperplasia, which does not affect adult height but may impact fertility and well-being if untreated.

Laser laparoscopy effectively reduces pelvic pain in women with mild to moderate endometriosis and is safe to use.

The new method showed that endometriotic tissue has lower estrogen receptor levels but similar progesterone levels compared to normal endometrium, with both following a similar cycle.

PFS and PSSD are similar conditions with persistent sexual dysfunction after stopping medication.

Male genital development is driven by androgen signaling and understanding it could help address congenital anomalies.

Hormonal therapies are safe and effective for treating acne in female adolescents, with specific treatments for those with endocrine disorders.

17β-estradiol may help hair growth by increasing cannabinoid receptor type 1.