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Humans have limited regenerative abilities, but new evidence shows the adult brain and heart can regenerate, and future treatments may improve this by mimicking stem cell environments.

A child with rickets and hair loss might have a rare type of rickets that doesn't improve much with usual vitamin D and calcium treatment.

Scientists successfully created and analyzed the structure of a part of the human androgen receptor with specific modulators and a peptide to understand how it binds differently in various tissues.

Androgen receptors in the mouse brain may explain cognitive and mood changes in prostate cancer treatment.

Toxoplasma gondii infection may increase testosterone levels in males.

Effective PCOS treatments require targeting specific signaling pathways.

EZH2 levels decrease as fetuses develop and are higher in adult skin, which may affect skin growth and repair.

A 37-year-old male with severe skin and internal issues has a rare inherited skin condition called dystrophic epidermolysis bullosa.

Eating disorders are serious, often undiagnosed conditions requiring early treatment, with anorexia being the most deadly and binge-eating the most treatable.

Alopecia areata is relatively common in children, has a variable course, and shows different responses to treatment; thyroid testing is recommended for those affected.

The document concludes that permanent hair loss conditions are complex, require early specific treatments, and "secondary permanent alopecias" might be a more accurate term than "secondary cicatricial alopecia."

The meeting discussed vitamin D3's role in fighting tuberculosis, potential treatments for skin conditions like psoriasis, and hair follicle regeneration as a possible solution for hair loss.

The guideline suggests using specific criteria to diagnose PCOS, recommends various treatments for its symptoms, and advises screening for related health issues.

The guideline recommends mental health involvement in diagnosing gender identity disorder and outlines hormone and surgical treatment protocols, emphasizing safety, informed consent, and long-term monitoring.

Chemotherapy in the first trimester of pregnancy is risky, but in the second and third trimesters, it's generally safe with careful drug selection and timing.

The European Society of Endocrinology advises individualized long-term management for PCOS, focusing on lifestyle changes, accurate diagnosis, and treatments for associated health risks and symptoms.

Metformin helps with menstrual cycles and insulin levels in PCOS but is less effective for hair growth, diabetes prevention, and weight loss, and may improve fertility and reduce diabetes risk.

Insulin resistance is a key factor in polycystic ovary syndrome, but genetics may also contribute.

Visible light can damage skin and most sunscreens don't block it well; more research is needed on its effects and protection methods.

Postpartum depression is linked to changes in brain chemicals, inflammation, stress, and certain genes, and can potentially be identified by markers like specific steroids, serotonin levels, and vitamin D levels.

Matriptase is crucial for keeping epithelial tissues healthy and functioning properly.

Finasteride exposure in pregnancy causes genital abnormalities in male rats.

Hormonal treatments, including birth control and antiandrogens, can effectively treat acne in women.

Certain genetic variations in the AR and ERβ genes can affect androgen levels in women.

A certain smell receptor in hair follicles can affect hair growth when activated by a synthetic sandalwood scent.

S5αR inhibitors might help treat schizophrenia and other mental disorders but need more research.

PCOS affects women's health by increasing the risk of diabetes, heart disease, and reproductive issues.

Tiny needles with valproic acid can effectively regrow hair.

The document concludes that for hair and feather growth, it's better to target the environment around stem cells than the cells themselves.

Hair follicle stem cells are a promising source for tissue repair and treating skin or hair diseases.