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The COVID-19 pandemic did not significantly change stress levels in preschoolers, but higher-income families' children showed higher stress.

Hormone levels in hair vary across the head, with the highest concentration of a key hormone linked to hair loss at the top.

Analyzing hair with this method can help understand and monitor scalp conditions and treatment effects.

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

Hair steroid measurement is an effective method to diagnose and monitor CAH in developing countries.

The method can measure multiple steroids in human hair to study long-term steroid metabolism, especially in newborns and children.

Segmental hair analysis can track testosterone over time but needs adjustments for sex, hair color, and washing frequency.

Hair analysis can somewhat track past testosterone levels but is influenced by factors like hair washing, growth rate, sex, and hair color.

Hair color and length affect metabolite profiles in hair, so they should be considered in hair analysis.

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

A new method accurately measures steroid hormones in a few hair strands and could help study chronic stress and hair loss.

Hair analysis for stress and reproductive hormones in wildlife needs more research for accuracy across species.

Hair cortisol levels can show increased stress during late pregnancy but only for up to six months.

Platycladus orientalis flavonoids protect balding hair from UV damage and slow hair color change.

Human skin produces sex hormones like estrogen and testosterone, influenced by ARO and StAR, which may affect skin elasticity and hair growth.

Higher androgen levels do not cause baldness in men.

Male hormones are important for hair and oil gland development and can cause conditions like excessive hair growth and acne.

Changes in prolactin and DHEA levels are not required for the start of mink hair growth cycles.

Chesapeake Bay retrievers' hair loss is likely a breed-specific, hereditary condition linked to abnormal steroid levels and distinct skin changes.

New targets for making and using brain-synthesized steroids could lead to better treatments for brain disorders and alcoholism.

Korean and Caucasian men with male pattern baldness have different hair steroid levels.

Cosmetic hair treatments can increase hair testosterone levels, while natural hair color does not affect it.

Moving horses to new places can increase their stress levels, as shown by higher stress hormone in their hair.

Hair and nails can show hormone changes during puberty in dogs.

Lack or blocking of SRD5a, a key component in hormone creation, can lead to conditions like pseudohermaphrodism and affect hair growth, bone mass, muscle strength, and reproductive health. More research is needed on its regulation from fertilization to adulthood.

Some women with excess hair growth have a hormone condition that can't be diagnosed by blood or urine tests alone.

LY191704 is a compound that effectively blocks a specific enzyme involved in hormone conversion and could help treat enlarged prostate and hair loss.

Finasteride affects urinary steroid profiles and can potentially hide steroid abuse in sports drug testing.

Hair loss causes differ between men and women due to changes in hormone levels and inflammation-related pathways.

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