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Collider bias can distort our understanding of COVID-19 risk and severity.

Method detects finasteride in plasma at very low concentrations.

Women with PCOS should be screened for heart disease risk and manage their health to prevent it.

Hair follicles are complex, dynamic mini-organs that help us understand cell growth, death, migration, and differentiation, as well as tissue regeneration and tumor biology.

Histone demethylases can change gene expression and may be linked to diseases like cancer.

Male hormones may play a role in the development of heart disease, and more research is needed to understand their effects.

Wnt signaling is vital for cell growth, development, and cancer research.

Vitiligo is a skin condition causing white spots, more common in women, often starts before age 20, and can affect mental health.

Hair follicle development is controlled by interactions between skin tissues and specific molecular signals.

The enzyme steroid sulfatase is linked to breast cancer and other conditions, and inhibitors are being developed for treatment.

A mother's diet at conception can cause lasting genetic changes in her child.

The hypothesis suggests that PCOS may start early in life due to genetic and environmental factors, influencing future reproductive and metabolic problems.

Alopecia Areata is an autoimmune condition causing hair loss with no cure and treatments that often don't work well.

Understanding gene expression in hair follicles can reveal insights into hair growth and disorders.

Dehydroepiandrosterone (DHEA) is a prohormone important for producing sex steroids and has potential health benefits.

Prostate cancer cells can make their own androgens to activate the androgen receptor, and treatments like abiraterone may increase this ability, suggesting new therapies should target the entire steroid-making pathway.

Nerve signals are crucial for hair follicle stem cells to become skin stem cells and help in wound healing.

Testosterone is important for men's sexual function, may help some women's sexual desire, while other hormones and neurotransmitters also play complex roles in sexual behavior.

DNA profiling in forensics has improved, but predicting physical traits and ancestry from DNA has limitations and requires ethical consideration.

Corticosteroids, especially prednisone, improve short-term muscle strength in Duchenne muscular dystrophy but have manageable side effects.

The bulletin provides guidelines for diagnosing and managing PCOS, suggesting weight loss, hormonal contraceptives, and diabetes screening, with clomiphene for infertility and various treatments for excess hair.

Stem cells help heal wounds by rapidly dividing and migrating to the wound edge.

Human skin can make serotonin and melatonin, which help protect and maintain it.

SKPs are similar to adult skin stem cells and could help in skin repair and hair growth.

β-catenin in the dermal papilla is crucial for normal hair growth and repair.

Alopecia areata is an autoimmune condition causing hair loss, influenced by genetics, stress, and diet, and may be prevented by a high soy oil diet.

The Endocrine Society advised against routine testosterone therapy for women, citing a need for more research on long-term safety and a clear definition of androgen deficiency.

PCOS is common among Chinese women of reproductive age and linked to serious metabolic and reproductive issues, especially in obese women.

The research shows that a gene called Wnt3 affects hair growth and structure, causing short hair and balding when overactive.

The Rotterdam Study aims to understand disease causes in the elderly and has found new risk factors and genetic influences on various conditions.