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Hair follicles increase hair cortisol levels, so consistent hair collection methods are important.

The study developed a method to analyze ancient hair proteins using very small samples.

Male and female mice handle stress differently.

The conclusion is that using drugs to block the TOR pathway might slow aging and prevent age-related diseases.

Anovulatory PCOS patients are younger with longer cycles and higher blood pressure and hormone levels.

Capillary microfluidic wearables are promising for non-invasive health monitoring through sweat and saliva.

The CDC reports 23 measles cases in unvaccinated US kids, new treatments for eosinophilic esophagitis and osteopenia are approved, poor sleep may cause migraines, atopic dermatitis could lead to asthma, migraines might increase Crohn's disease risk, cancer may raise heart disease risk, gout is linked to prostate issues, Cabo Verde is malaria-free, social factors and vitamin D affect dementia risk, smoking increases hair loss risk, certain drugs might lower thyroid disease risk in arthritis, noma is a neglected disease, and meal timing could impact heart health.

The tool iCOUNT helps understand how stem cells divide and affect tissue development and repair.

Feeling younger can improve health and extend life.

Caffeine causes sleep problems in many medical students.

Monitoring steroid hormones in blood can better detect testosterone doping.

Damaging mitochondrial DNA in mice speeds up aging due to increased reactive oxygen species, not through the p53/p21 pathway.

Lack of sleep in mice leads to prostatitis by reducing certain hormones and activating an inflammatory pathway, which can be temporarily fixed with normal sleep.

Melatonin affects certain genes and pathways involved in cashmere goat hair growth.

Melatonin can improve treatment and extend remission for certain skin conditions.

The rat model showed early perimenopause with regular cycles and low hormones, and late perimenopause with irregular cycles and higher hormone levels.

Alexander the Great's engineers built a causeway using a natural sand bridge, some tiger moths avoid bats by mimicking toxic relatives' sounds, early metabolism and RNA enzymes support the ancient RNA world theory, and vitamin D is crucial for hair growth and its absence can cause baldness.

Short-term diabetes can cause changes in brain steroids, cholesterol balance, and mitochondrial function.

Neonatal neurosteroid levels affect adult brain function and behavior.

Early detection and treatment of urinary symptoms can help maintain functional ability in older adults.

First-time mothers had higher stress hormone levels in late pregnancy than mothers who had given birth before.

Hair follicles and urine cell pellets are promising for transcriptome studies due to consistent quality and useful expression profiles.

Hair cortisol can reliably indicate chronic stress in cats and dogs.

Melatonin improved sheep reproduction, being more beneficial and cost-effective in males.

Women with PCOS often have more sleep problems than the general population.

The study concluded that hair growth in mice is regulated by a stable interaction between skin cell types, and disrupting this can cause hair loss.

Hair analytes decrease with storage, so analyze within six months.