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Spironolactone is better than placebo for reducing excessive hair growth in women, but its effectiveness for acne is unclear due to small study sizes.

Early adrenal gland maturation in young children can be normal, but other serious conditions should be ruled out first.

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.

Older age at onset of alopecia areata leads to less severe and shorter episodes, with most patients experiencing significant hair regrowth.

New lipid nanoparticles show promise for delivering hair loss treatments but need improvement for better skin penetration.

Certain human skin cells marked by CD44 and ALDH are rich in stem cells capable of long-term skin renewal.

Proteins from stem cells improved hair growth in patients with hair loss.

Allergic reactions to blood thinners are rare but can be serious, requiring careful management and alternative treatments.

Ancient Chinese goats evolved cashmere-producing traits due to selective breeding, particularly in genes affecting hair growth.

Platelet-Rich Plasma (PRP) treatment may increase hair growth for genetic hair loss, but more research is needed to confirm this.

Teens with PCOS and a mom with PCOS have higher insulin resistance and lower adiponectin levels, which could signal early metabolic problems.

Most skin changes during pregnancy are harmless and temporary, but some can risk the fetus and need careful treatment.

Calcium is important for stem cell function and maintenance, especially in blood and skin cells.

Platelet-rich plasma treatment for non-scarring hair loss shows mixed results and needs more research.

African American women report more hair issues and use different hair care practices than Caucasian women, and have different hair and scalp characteristics.

Some treatments like methotrexate with prednisone might help juvenile morphea, but more research is needed to confirm.

The environment around melanocyte stem cells is key for hair regeneration and color, with certain injuries affecting hair color and potential treatments for pigmentation disorders.

Treg dysfunction is linked to various autoimmune skin diseases, and understanding Treg properties is key for new treatments.

St. John's Wort extract and oil safety in cosmetics is unclear; more data needed on photosensitization, toxicity, and human irritation.

The Brazilian Society of Dermatology agrees that oral isotretinoin is effective for acne and other skin conditions, and it's safe when monitored, but more research is needed on dosing and duration.

Both Platelet-Rich Plasma and Minoxidil foam increase hair count in women with hair loss, but Minoxidil is more effective. However, women were more satisfied with Platelet-Rich Plasma treatment.

Spironolactone is effective and safe for treating acne with minimal side effects.

Applying latanoprost on skin can stimulate hair growth with minimal side effects.

The COVID-19 pandemic led to fewer dermatology visits and changed the types of skin conditions patients experienced.

Women with PCOS have more emotional and body image issues than healthy women.

Scalp cooling can prevent hair loss in 65% of chemotherapy patients, especially effective in breast cancer patients and certain chemotherapy types.

Whale genes show changes that help them live in water, like less hair and better flippers.

Women with polycystic ovarian syndrome are more likely to have cervical insufficiency, especially South Asian and Black women.

Bioactive molecules show promise for improving skin repair and regeneration by overcoming current challenges with further research.

Fine wool sheep have more genes for wool quality, while coarse wool sheep have more for skin and muscle traits.