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A new method can quickly and accurately measure tobacco exposure and stress using a small hair sample.

Middle-aged skin shows aging signs, and quercetin might help delay them.

Schizophrenia risk genes may affect early brain development, contributing to the disease.

PTEN helps control the number and health of skin stem cells by working with the protein BMAL1.

Maternal melatonin improves offspring hair growth by affecting specific proteins and pathways.

Hair analysis can reveal metabolic changes and potential pregnancy complications.

Researchers created a model to understand heart aging, highlighting the role of microRNAs and identifying key genes and pathways involved.

Helping PCOS patients focus on hope and control can reduce depression.

Early investigation and a team approach are crucial for managing primary amenorrhea effectively.

Hair follicles emit electromagnetic fields, useful for medical applications.

Pig hair cortisol levels are inheritable and linked to stress responses, which could help select for more resilient pigs.

Understanding the mouse hair cycle is crucial for cancer research.

Hormones, nutrition, and seasonal changes regulate hair growth cycles, with androgens extending growth phases and factors like aging and malnutrition affecting hair loss and thinning.

Early exposure to germs may protect against autoimmune diseases, lack of sex increases alcohol preference in fruit flies, a potential baldness treatment could involve blocking a specific receptor, skin memory cells help prevent re-infection, high-fat diets can affect brain cells related to weight, and the link between social status, stress, and heart disease in primates is unclear.

Prairie dogs with fewer neighbors are more stressed but their number of babies isn't affected.

The study found key long non-coding RNAs involved in yak hair growth cycles.

Early hair greying may increase the risk of heart disease.

A culturally sensitive method was developed to collect hair samples from African Americans for stress analysis.

Certain gene variations increase male hair loss risk, influenced by hormone levels.

The environment around the time of conception can change the VTRNA2-1 gene in a way that lasts for years and may affect disease risk.

Higher hair iron levels are linked to changes in brain structure and function.

Human hair movement is affected by its inner structure and chemical treatments.

A model using hormone levels, cycle length, and BMI can help identify PCOS in Chinese women but isn't for screening teens.

Women aged 21-26 have a higher rate of PCOS.

Understanding the hair growth cycle in mice is crucial for accurate research, as it affects study results and requires careful timing and methods.

High-stress mothers had lower hair cortisol than low-stress mothers, and daughters' cortisol was linked to their stress response.

The spiny mouse is a unique menstruating rodent that can help us understand menstruation and reproductive disorders.