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The document concludes that understanding health requires considering evolutionary perspectives on reproductive fitness, and recognizing the complexity of factors like diet, testosterone, and sexual orientation.

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

Women with androgenetic alopecia (hair loss) have normal prostate specific antigen levels but higher testosterone levels.

Most women with PCOS have high levels of male hormones, and free testosterone is the best marker for this.

SCF and c-Kit decrease in AGA hair follicles, possibly affecting hair pigmentation and growth.

Most cases of excessive hair growth in women are caused by polycystic ovarian syndrome and are linked to higher free testosterone levels.

Obese women had more testosterone and less acne, but similar hair growth compared to non-obese women.

Ovarian steroid cell tumors should be considered in adults with hirsutism and high testosterone, with surgery as the main treatment.

People with lower levels of free testosterone tend to have worse COVID-19 outcomes.

Finasteride causes sperm production decrease in Mesocricetus auratus.

Plant extracts in shampoo improved hair thickness and density in men with hair loss.

Finasteride doesn't affect erections much, but may decrease libido in men.

A certain inhibitor can slow down the decrease in DNA creation in mouse hair follicles, which might help with hair growth.

4-(4-Phenoxybenzoyl)benzoic acid derivatives can both increase and decrease certain types of reactive oxygen species, and may be relevant to hair loss.

New treatments for PCOS focus on insulin resistance and reducing testosterone levels, along with traditional hormone therapies.

New compounds were found to help increase hair growth and decrease hair loss.

The supplement with Serenoa repens and Pygeum africanum significantly increased active hair growth and decreased rest phase hair in post-menopausal women with hair loss, with only mild digestive side effects.

Estrogen increases blood vessel growth factor production, while testosterone blocks this increase.

Early surgery reduces seizure risk in drug-resistant epilepsy; testosterone to DHT conversion doesn't affect muscle anabolism; veterans with PTSD likely to have riskier opioid use; bevacizumab helps in hereditary bleeding disorder.

Females have higher estrogen receptor levels in hair than males, and these levels decrease in white hair compared to black hair.

High doses of cyproterone acetate increase the risk of brain tumors in women, but the risk decreases after stopping the medication.

Human skin cells contain Protease Nexin-1, and male hormones can decrease its levels, potentially affecting hair growth.

The study concluded that both estrogen and androgen receptors, which decrease with age, are linked to skin aging and may be hormonally regulated.

Young women with PCOS have a higher risk of high blood pressure and metabolic syndrome, but these risks may decrease after age 40.

Black ethnicity, prior PSA tests, enlarged prostate, and family history increase prostate cancer risk; Asian ethnicity, obesity, smoking, diabetes, and less sexual activity or no children decrease risk.

Blocking testosterone speeds up wound healing in males.

Over 50% of women over 50 experience hair loss, with minoxidil being the only proven effective treatment.

Male hormones control a specific gene in hamster skin, with different hormones having varying effects.

More men are getting cosmetic procedures, mainly for aging, hair loss, and to keep masculine features, with growing interest in both surgical and noninvasive treatments.