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Aging causes hair to gray and thin, with the timing of graying varying by race, and factors like oxidative stress and genetics can lead to hair loss.

Older men with lower levels of available testosterone are more likely to be frail.

Hair loss and aging are caused by the breakdown of a key protein in hair stem cells.

Measuring reproductive hormones in brown bear hair could help identify their sex and reproductive state, but better collection methods or lab techniques are needed.

Substance from human umbilical cord blood cells promotes hair growth.

Model improves accuracy in predicting hair loss effects.

Combined finasteride and anastrozole therapy effectively treats BPH, influenced by hormone imbalances and genetics.

Men generally have more severe COVID-19 cases and higher death rates than women due to biological differences.

The document concludes that future heart disease research should account for sex-specific differences to improve diagnosis, treatment, and outcomes.

Lactate production is important for activating hair growth stem cells.

Men, especially older ones with health issues like prostate cancer, may have worse COVID-19 outcomes and could benefit from therapies targeting male hormones.

Menopause-related hormonal changes affect hair but are not the only cause of hair changes in middle-aged women.

Patient-derived melanocytes can potentially treat vitiligo by restoring skin pigmentation.

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

The study found three different timing patterns of symptoms in women with premenstrual dysphoric disorder.

Hormones and genes affect hair growth and male baldness.

IGF-1, KGF, and stem cells help skin cells move and survive, potentially speeding up wound healing.

Researchers created immortal human skin cells with constant testosterone receptor activity to study hair loss and test treatments.

Human hair follicle stem cells improve ovarian function in mice with damaged ovaries.

Lower BDNF levels link to worse depression in alopecia areata patients.

10% hPL is best for growing mesenchymal stem cells, while 10% FBS is best for hepatocytes.

Adipose-derived stem cells can be transformed into hair-forming cells using specific extracellular vesicles, offering potential for hair regeneration therapies.

The document concludes that sex hormones and related compounds have various effects on health, with both potential benefits and risks.

Male hormones like testosterone may make COVID-19 worse, and testing for sensitivity to these hormones could help predict how severe a patient's symptoms might be. Treatments that reduce these hormones are being explored.

Lower SHBG levels may increase the risk of PCOS.

Pregnancy causes skin changes like darkening, hair thickening, nail changes, and increased risk of skin growths, most of which usually resolve after birth.

SHBG may be a useful early indicator and treatment target for PCOS.

Early medical support for transgender youth is important for their health, with low regret for gender-affirming hormone use and a need for knowledgeable care providers.

Serum steroid profiling, especially 11-deoxycortisol, helps distinguish between adrenocortical carcinoma and adenoma, considering sex and functional status.

People with psoriasis and depression have lower BDNF levels, which could help measure depression in those with psoriasis.