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Dopamine stops hair growth and pigment production in human scalp hair follicles.

The enzymes 5α-reductase and 3α/β-hydroxysteroid oxidoreductase help create brain-active substances from progesterone and testosterone, which could be used for treatment, but more research is needed to ensure their safety and effectiveness.

The study found new details about human hair growth and suggests that preventing a specific biological pathway could potentially treat hair graying.

Melatonin stimulates the skin components of ram's scrotum during their non-breeding season.

The skin acts like an endocrine organ, making hormones that affect skin diseases and respond to stress.

Key genes linked to hair growth and cancer were identified in hairless mice.

Tianeptine, an antidepressant, may prevent stress-induced hair loss in mice.

Dihydrotestosterone changes some hormone-related gene expressions in rat pituitary glands but doesn't affect the estrous cycle.

The document concludes that PCOS in adolescents is complex and requires comprehensive care to manage its symptoms and associated health risks.

The guideline suggests using specific criteria to diagnose PCOS, recommends various treatments for its symptoms, and advises screening for related health issues.

Polycystic Ovary Syndrome (PCOS) is a common condition in women that can cause metabolic, reproductive, and psychological issues, and requires lifestyle changes and medication for management.

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.

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

Certain mature cells in mouse lungs can turn back into stem cells to aid in tissue repair.

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

The Rotterdam Study updated findings on elderly health, focusing on heart disease, genetics, lifestyle effects, and disease understanding.

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.

The document concludes that insulin resistance is key in PCOS development and early treatment is crucial to prevent complications.

Insulin resistance is a key factor in polycystic ovary syndrome, but genetics may also contribute.

The document concludes that understanding hair follicle biology can lead to better hair loss treatments.

Insulin resistance and obesity are key factors in the development and worsening of polycystic ovary syndrome, and lifestyle changes are important for managing it.

Hair color production in mice is closely linked to the hair growth phase and may also influence hair growth itself.

Stress stops hair growth in mice by causing early hair growth phase end and harmful inflammation through a specific nerve-related pathway.

Stress-related substance P may lead to hair loss and negatively affect hair growth.

The niche environment controls stem cell behavior and plasticity, which is important for tissue health and repair.

Higher levels of unbound testosterone are linked to increased insulin resistance, especially in women with polycystic ovary syndrome.

Modern lifestyles, including poor diet, stress, and long-term use of certain medications, hinder the body's ability to heal from inflammation, leading to chronic diseases.

Hair color production is closely linked to the active growth phase of hair in mice and may also influence hair growth itself.

Stress increases a factor in mice that leads to hair loss, and blocking this factor may prevent it.

MicroRNA-214 is important for skin and hair growth because it affects the Wnt pathway.