research Probing calcium and sulfur distribution and pattern in hairs using micro-proton induced X-ray emission （MPIXE）
Women's hair has more sulfur, and black hair has more calcium than white hair.
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30 / 1000+ resultsresearch The brain–gut–skin axis in inflammatory and disfiguring skin diseases: mechanistic insights, clinical correlations, and therapeutic strategies
Skin diseases like acne and psoriasis are linked to stress, gut health, and inflammation, with new treatments focusing on gut and mind-body approaches.
research Hair cortisol concentrations in mental disorders: A systematic review
People with depression often have higher hair cortisol levels, while those with PTSD tend to have lower levels, but more research is needed to understand this fully.
research Ovarian hormones and adrenal androgens during a woman's life span
Women's ovarian hormones and adrenal androgens change throughout life, affecting hair loss and health.
research Effects of Psychological Stress on Skin Aging: A Literature review
Psychological stress speeds up skin aging.
research The cracking of human hair cuticles by cyclical thermal stresses
Frequent blow-drying causes cracks and breakage in hair cuticles.
research Faculty Opinions recommendation of A counter gradient of Activin A and follistatin instructs the timing of hair cell differentiation in the murine cochlea.
Activin A speeds up ear hair cell differentiation, while Follistatin slows it down.
research Scanning Electron Microscopic Study on Collagen Fibrils in the Mink Dermis during the Hair Cycle and Growth
Collagen fibrils in mink skin change structure during hair growth, becoming looser and thicker in the active phase.
research Physiology of the Hypothalamic Pituitary Gonadal Axis in the Male
The document explains how the male reproductive system works, its role in making testosterone, and how conditions like obesity can disrupt it, leading to low testosterone and fertility issues.
research Longitudinal clinical course in patients with 5α-reductase type 2 deficiency treated with testosterone and dihydrotestosterone during infancy and puberty
Testosterone and dihydrotestosterone treatments can help with penile growth in males with 5α-reductase type 2 deficiency, with dihydrotestosterone being more effective in infancy.
research Intravital longitudinal wide-area imaging of dynamic bone marrow engraftment and multilineage differentiation through nuclear-cytoplasmic labeling
Transplanted bone marrow cells actively move, form clusters, and grow after transplantation.
research BMP-FGF Signaling Axis Mediates Wnt-Induced Epidermal Stratification in Developing Mammalian Skin
Wnt signaling is essential for forming the skin's spinous layer through a BMP-FGF pathway.
research The Gut-Scalp Axis: A Systematic Review of Dietary Interventions on Microbiome Dysbiosis in Scalp Disorders
Dietary interventions improved hair density and reduced dandruff by balancing scalp microbiota and reducing inflammation.
research Indications for a brain‐hair follicle axis: inhibition of keratinocyte proliferation and up‐regulation of keratinocyte apoptosis in telogen hair follicles by stress and substance P
Stress can cause hair loss by negatively affecting hair follicles and this effect might be reversed with specific treatments.
research The evolution of healthy skin to acne lesions: a longitudinal, in vivo evaluation with reflectance confocal microscopy and optical coherence tomography
Acne lesions start with changes in hair follicles and increase in inflammation, suggesting a cycle that could affect treatment strategies.
research Langerin+ Dendritic Cells in Cutaneous Fibrosis: The TGF-β1 Signaling Axis
Targeting specific cell interactions may help treat skin fibrosis.
research Twenty-Five and Up (25Up) Study: A New Wave of the Brisbane Longitudinal Twin Study
The 25Up study collected extensive data on mental disorders and related factors in Australian twins and siblings to investigate the genetics of psychiatric illnesses.
research Longitudinal association between saliva and hair cortisol concentration: A systematic comparison
Hair cortisol is a reliable marker of long-term cortisol levels and is linked to daytime saliva cortisol but not morning levels.
research Female Gonadal Function before and after Treatment of Acromegaly
Treatment of acromegaly can improve women's reproductive health issues caused by hormonal imbalances or tumors.
research Keratin formation in the hair follicle
Keratin fibrils in hair form and stop growing at specific points in the follicle.
research MENSTRUAL DISORDERS IN ADOLESCENTS
The document concludes that early recognition and treatment of PCOS in adolescents is crucial for managing symptoms and long-term health risks.
research Pathways to inflammation: acne pathophysiology
Acne is caused by genetics, diet, hormones, and bacteria, with treatments not yet curative.
research Adaptations in the structure and innervation of follicle‐sinus complexes to an aquatic environment as seen in the Florida manatee (Trichechus manatus latirostris)
Manatee whiskers are specially adapted for touch in water.
research Chapter 4 Cytomechanics of Hair
Hair's strength and flexibility come from its protein structure and molecular interactions.
research Where Have the Periods Gone? The Evaluation and Management of Functional Hypothalamic Amenorrhea
The document concludes that Functional Hypothalamic Amenorrhea should be carefully diagnosed and managed to prevent health complications, using lifestyle changes and specific medications.
research Hair cortisol in polycystic ovary syndrome
Women with PCOS have higher hair cortisol levels, which are linked to worse metabolic and inflammatory conditions.
research Does hair cortisol concentration reflect measurable regulatory biology of the HPA axis in healthy humans?
Hair cortisol concentration partly reflects HPA axis regulation but doesn't capture all its complexities.
research Physiology of Male Gonadotropic Axis and Disorders of Sex Development
Understanding genes and hormones is crucial for managing male puberty and sex development disorders.
research Persistent escalation of alcohol consumption by mice exposed to brief episodes of social defeat stress: suppression by CRF-R1 antagonism
Blocking CRF-R1 can reduce alcohol intake in stressed mice.
research Molecular basis of androgen action on human sexual desire
Testosterone significantly affects sexual desire in both men and women, but its impact on women is more complex and influenced by psychological factors.