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

An individual's morning or evening preference can predict changes in their body clock gene expression.

Plucked hairs can be used instead of skin biopsies to study hair traits because they contain specific cells related to hair.

People's decision-making can be influenced by their internal biological clocks, as shown by gene expression, not just self-reported preferences for morning or evening.

Wire brush snares are best for collecting Eurasian Lynx hair for DNA analysis.

Rare ULBP3 gene changes may raise the risk of Alopecia areata, a certain FAS gene deletion could cause a dysfunctional protein in an immune disorder, and having one copy of a specific genetic deletion is okay, but two copies cause sickle cell disease.

A new painless method to collect hair follicles helps study DNA damage and aging.

Trichoscopy is a non-invasive way to diagnose hair and scalp problems without needing hair samples.

The conclusion is that exogen is a unique hair cycle phase and the new sampling method specifically targets this stage, which may help in future hair loss research.

The Rotterdam Study found risk factors for elderly diseases, links between lifestyle and genetics with health conditions, and aimed to explore new areas like DNA methylation and sensory input effects on brain function.

About 20% of Japanese macaques had head alopecia, and stress and environment might cause hair loss.

Alopecia in captive rhesus macaques is affected by season, sex, age, housing, and stress, with complex links between stress hormones and hair loss.

The document concludes that managing non-classical congenital adrenal hyperplasia in females requires personalized treatment, genetic counseling, and a team of specialists.

Human hair shows promise for non-invasive medical testing, but more research is needed to standardize its use.

Scientists found a new, less invasive way to get stem cells from horse hair for veterinary medicine.

Most adrenal cortex tumors are benign and non-secreting, but proper diagnosis and treatment are important due to the rare possibility of cancer.

The new microrhizotron tool effectively observes and measures pepper plant roots non-destructively.

OCT can effectively screen and diagnose various medical conditions non-invasively.

The Rotterdam Study updated its design and objectives in 2012, providing insights into various diseases in the elderly, including skin cancer, bone health, liver disease, neurological and psychiatric conditions, and respiratory issues.

The document concludes that various findings in rheumatology offer insights into disease severity, treatment responses, and potential risks in medication, with some limitations due to unspecified participant numbers.

Female cuckoo color differences are linked to their unique genes and help avoid male harassment.

The study suggests that analyzing DNA can help treat hair loss, but more research is needed.

Blue light might help treat skin conditions by affecting the skin's bacteria.

Men with low or no sperm count have lower salivary testosterone levels, and saliva testing can measure their testosterone well.

Understanding and tracking our body's natural daily rhythms could help improve heart health.

Protein profiling of forehead skin can help distinguish between frontal fibrosing alopecia and androgenetic alopecia.

Microneedles are being used and tested for various medical and cosmetic treatments.

Elephant tail-hair can show past stress levels, matching times when stressful events happened.

Genetic counselors should be culturally skilled and aware of transgender patients' unique health risks and needs.

Women with PCOS are more likely to have fatty liver disease and worse metabolic health.